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content shows off while scrolling in responsive hambuger responsive

I was finishing up creating this page using html and css after finishing up i was just checking the navigation menu in a mobile view and while scrolling down the menu the content of the page shows off and menu goes down and the content shows off
I want content not be shown while scrolling or not scrolling in the hamburger menu
code:
#import url('https://fonts.googleapis.com/css2?family=Poppins:wght#300&display=swap');
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Poppins', sans-serif;
}
body {
background-color: #2f2f42;
}
nav {
display: flex;
height: 90px;
width: 100%;
align-items: center;
justify-content: space-between;
padding: 0 50px 0 100px;
flex-wrap: wrap;
}
nav .logo {
font-size: 20px;
font-weight: bold;
color: teal;
}
nav ul {
display: flex;
flex-wrap: wrap;
list-style: none;
}
nav ul li {
margin: 0 5px;
}
nav ul li a {
color: rgb(92, 156, 92);
text-decoration: none;
font-size: 18px;
font-weight: 500;
padding: 8px 15px;
border-radius: 5px;
letter-spacing: 1px;
transition: all 0.3s ease;
}
nav ul li a.active,
nav ul li a:hover {
color: teal;
background-color: white;
}
nav .menu-btn i {
color: #fff;
font-size: 22px;
cursor: pointer;
display: none;
}
input[type="checkbox"] {
display: none;
}
#media (max-width: 1000px) {
nav {
padding: 0 40px 0 50px;
}
}
#media (max-width: 920px) {
nav .menu-btn i {
display: block;
}
#click:checked~.menu-btn i:before {
content: "\f00d";
}
nav ul {
position: fixed;
top: 80px;
left: -100%;
z-index: 9999;
/** ADDED **/
height: 100vh;
width: 100%;
text-align: center;
display: block;
transition: all 0.3s ease;
background-color: #2f2f42;
/** ADDED **/
}
#click:checked~ul {
left: 0;
}
nav ul li {
width: 100%;
margin: 40px 0;
}
nav ul li a {
width: 100%;
margin-left: -100%;
display: block;
font-size: 20px;
transition: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
#click:checked~ul li a {
margin-left: 0px;
}
nav ul li a.active,
nav ul li a:hover {
background: none;
color: teal;
}
}
.content {
position: relative;
background-color: #131314;
color: whitesmoke;
border: 5px solid grey;
border-radius: 12px;
width: auto;
height: 50rem;
margin-top: 1vw;
margin-left: 4vw;
margin-right: 4vw;
font-weight: bolder;
}
#media (max-width: 920px) {
.content {
display: block;
}
}
#media (max-width: 920px) {
.content #bor,
.det,
.clk {
display: block;
}
}
.bor {
justify-content: center;
text-align: center;
border-bottom: 0.7vw solid white;
}
.det {
display: inline-block;
margin-left: 1vw;
text-align: left;
border-bottom: 0.6vw solid whitesmoke;
}
.clk {
float: right;
width: fit-content;
height: fit-content;
margin-right: 1vw;
}
h2 {
box-sizing: border-box;
padding: 0.6vw;
margin: 0.8vw 0.8vw 0.8vw 0.8vw;
background-color: rgb(64, 80, 113);
text-align: left
}
#exp {
padding: 0.8vw;
margin: 0.8vw 0.8vw 0.8vw 1.9vw;
text-align: left;
}
footer {
background-color: rgb(104, 99, 25);
color: black;
margin: 15px;
padding: 15px;
border-radius: 8px;
}
#foo {
text-align: center;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.2.0/css/all.min.css" rel="stylesheet" />
<nav>
<div class="logo">Logo img</div>
<input type="checkbox" id="click">
<label for="click" class="menu-btn">
<i class="fas fa-bars"></i>
</label>
<ul>
<li><a class="active" href="#">Home</a></li>
<li>Services</li>
<li>About</li>
</ul>
</nav>
<div class="content">
<p class="bor"> this is content heading <br>
</p><br>
<span class="det">this is content side</span> <button class="clk">Watch</button><br><br>
<span class="det">this is content side</span><button class="clk">Watch</button><br><br><br>
<h2>this is demo</h2>
<p id="exp">this is content end</p>
</div>
<div id="foo">
<footer>
<p>Copyright © company 2022<br><br> All Rights Reserved</p>
</footer>
</div>

You could use JS to disable scroll when the menu shows up and enable when it's closed. Although, I don't understand why you wanted to use checkbox input for closing the menu. you could handle scrollbar like this
HTML
<label for="click" class="menu-btn" onclick={disableScroll()}>
<i class="fas fa-bars"></i>
</label>
<label for="click" class="close-btn" onclick={enableScroll()}>
<i class="fa-solid fa-xmark"></i>
</label>
Javascript
<script>
const disableScroll = () =>{
document.body.style.height = "100%";
document.body.style.overflow = "hidden";
document.querySelector("menu-btn").style.display = "none"
document.querySelector("close-btn").style.display = "block"
}
const enableScroll = () =>{
document.body.style.overflow = "auto";
document.querySelector("menu-btn").style.display = "block"
document.querySelector("close-btn").style.display = "none"
}
</script>

Responsive Hamburger Menu via jQuery

I am new to coding and am struggling to get the template for my nav menu ready. First of all, I want the hamburger to hide whenever I click on it and then the menu opens. However, I'm still at the beginning, and can't even get the hamburger to hide. I want to toggle the class ".hamburger-hide" using jQuery, which includes the display:none property.
this is the html:
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="css/styles.css">
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Montserrat:wght#100&display=swap" rel="stylesheet">
<link rel="preconnect" href="https://fonts.gstatic.com">
<link href="https://fonts.googleapis.com/css2?family=Montserrat:wght#800&display=swap" rel="stylesheet">
<title>Navbar</title>
</head>
<body>
<header class="header">
<h1 class="logo">Logo</h1>
<nav class="navbar">
<ul class="nav-list">
<li class="nav-item">Home</li>
<li class="nav-item">About</li>
<li class="nav-item">Contact Us</li>
<li class="nav-item">Links</li>
</ul>
</nav>
<div class="btn">
<a class="cta" href="#"><button>Hello World</button></a>
</div>
<img class="hamburger" src="speisekarte.svg" alt="hamburger-menu">
</header>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="index.js" charset="utf-8"></script>
</body>
</html>
this is my CSS:
*{ /*Setting all to 0*/
padding:0;
margin:0;
box-sizing: border-box; /*If you set box-sizing: border-box; on an element, padding and border are included in the width and height*/
}
header {
display: flex; /* Das ist der Flex container (header) in ihm müssen items positioniert werden*/
justify-content: space-between; /*justify-content + align-itmes = center ==> perfect center*/
align-items: center;
background-color: #707070;
padding: 30px 10%;
}
.logo {
font-family: "Montserrat", sans-serif;
font-weight: 800;
cursor: pointer;
}
button {
cursor: pointer;
padding: 9px 25px;
background-color: rgba(0, 136, 169, 1); /* letzter ist alpha --> opacity, 1 = 100%*/
border: none;
border-radius: 50px;
transition: all 0.3s ease 0s;
}
button:hover {
background-color: rgba(0, 136, 169, 0.7); /* alpha ändert sich beim hovern --> opacity nimmt ab, 0,7 = 70%*/
text-decoration: none;
}
.btn a {
text-decoration: none;
}
.nav-item {
list-style: none;
}
.nav-item {
display: inline-block; /* ul ist in reihe nicht untereinander. kann auch direkt an li gemacht werden*/
padding: 0px 30px;
}
.navbar li a {
transition: all 0.3s ease 0s; /*letzter wert= delay, ease-in-out= vorwärts und rückwärts*/
}
.navbar li a:hover {
color: #0088a9;
}
.nav-item a, button{
text-decoration: none;
color: #edf0f1;
font-family: "Montserrat", sans-serif;
font-size: 16px;
font-weight: normal;
}
.hamburger {
height:40px;
cursor: pointer;
position:relative;
}
.hamburger:hover {
padding:2px;
border: 2px solid;
border-radius: 5px;
}
.hamburger-hide {
display:none;
}
#media (max-width: 768px){
.nav-list{
display: none;
}
.cta {
display: none;
}
}
#media (min-width:769px){
.hamburger{
display:none;
}
}
and this is the jQuery I tried, so that it hides on click.
$(".hamburger").click(function(){
$(".hamburger").toggleClass(".hamburger-hide");
})

Solution with jQuery for build up Hamburger navbar responsive
For my example:
(function($) { // Begin jQuery
$(function() { // DOM ready
// If a link has a dropdown, add sub menu toggle.
$('nav ul li a:not(:only-child)').click(function(e) {
$(this).siblings('.nav-dropdown').toggle();
// Close one dropdown when selecting another
$('.nav-dropdown').not($(this).siblings()).hide();
e.stopPropagation();
});
// Clicking away from dropdown will remove the dropdown class
$('html').click(function() {
$('.nav-dropdown').hide();
});
// Toggle open and close nav styles on click
$('#nav-toggle').click(function() {
$('nav ul').slideToggle();
});
// Hamburger to X toggle
$('#nav-toggle').on('click', function() {
this.classList.toggle('active');
});
}); // end DOM ready
})(jQuery);
#charset "UTF-8";
body{
margin:0;
}
.navigation {
height: 70px;
background: #6d7993;
font-family: montserrat, sans-serif;
font-weight: 400;
font-style: normal;
opacity: 0.88;
}
.brand {
position: absolute;
padding-left: 20px;
float: left;
line-height: 70px;
text-transform: uppercase;
font-size: 1.4em;
}
.brand a,
.brand a:visited {
color: #ffffff;
text-decoration: none;
}
.nav-container {
max-width: 1000px;
margin: 0 auto;
}
nav {
float: right;
}
nav ul {
list-style: none;
margin: 0;
padding: 0;
}
nav ul li {
float: left;
position: relative;
}
nav ul li a,
nav ul li a:visited {
display: block;
padding: 0 20px;
line-height: 70px;
background: #6d7993;
color: #ffffff;
text-decoration: none;
}
nav ul li a:hover,
nav ul li a:visited:hover {
background: #4b5569;
color: #ffffff;
}
nav ul li a:not(:only-child):after,
nav ul li a:visited:not(:only-child):after {
padding-left: 4px;
content: " ▾";
}
nav ul li ul li {
min-width: 190px;
}
nav ul li ul li a {
padding: 15px;
line-height: 20px;
}
.nav-dropdown {
position: absolute;
display: none;
z-index: 1;
box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15);
}
/* Mobile navigation */
.nav-mobile {
display: none;
position: absolute;
top: 0;
right: 0;
background: #6d7993;
height: 70px;
width: 70px;
}
#media only screen and (max-width: 798px) {
.nav-mobile {
display: block;
}
nav {
width: 100%;
padding: 70px 0 15px;
}
nav ul {
display: none;
}
nav ul li {
float: none;
}
nav ul li a {
padding: 15px;
line-height: 20px;
}
nav ul li ul li a {
padding-left: 30px;
}
.nav-dropdown {
position: static;
}
}
#media screen and (min-width: 799px) {
.nav-list {
display: block !important;
}
}
#nav-toggle {
position: absolute;
left: 18px;
top: 22px;
cursor: pointer;
padding: 10px 35px 16px 0px;
}
#nav-toggle span,
#nav-toggle span:before,
#nav-toggle span:after {
cursor: pointer;
border-radius: 1px;
height: 5px;
width: 35px;
background: #ffffff;
position: absolute;
display: block;
content: "";
transition: all 300ms ease-in-out;
}
#nav-toggle span:before {
top: -10px;
}
#nav-toggle span:after {
bottom: -10px;
}
#nav-toggle.active span {
background-color: transparent;
}
#nav-toggle.active span:before, #nav-toggle.active span:after {
top: 0;
}
#nav-toggle.active span:before {
transform: rotate(45deg);
}
#nav-toggle.active span:after {
transform: rotate(-45deg);
}
article {
max-width: 1000px;
margin: 0 auto;
padding: 10px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<section class="navigation">
<div class="nav-container">
<div class="brand">
Logo
</div>
<nav>
<div class="nav-mobile"><a id="nav-toggle" href="#!"><span></span></a></div>
<ul class="nav-list">
<li>
Home
</li>
<li>
Contact Us
</li>
<li>
Link
</li>
</ul>
</ul>
</nav>
</div>
</section>
Updated
Solution 2, Using Pure CSS
body {
margin: 0;
font-family: Helvetica, sans-serif;
background-color: #f4f4f4;
}
a {
color: #000;
}
/* header */
.header {
background-color: #fff;
box-shadow: 1px 1px 4px 0 rgba(0,0,0,.1);
position: fixed;
width: 100%;
z-index: 3;
}
.header ul {
margin: 0;
padding: 0;
list-style: none;
overflow: hidden;
background-color: #fff;
}
.header li a {
display: block;
padding: 20px 20px;
border-right: 1px solid #f4f4f4;
text-decoration: none;
}
.header li a:hover,
.header .menu-btn:hover {
background-color: #f4f4f4;
}
.header .logo {
display: block;
float: left;
font-size: 2em;
padding: 10px 20px;
text-decoration: none;
}
/* menu */
.header .menu {
clear: both;
max-height: 0;
transition: max-height .2s ease-out;
}
/* menu icon */
.header .menu-icon {
cursor: pointer;
display: inline-block;
float: right;
padding: 28px 20px;
position: relative;
user-select: none;
}
.header .menu-icon .navicon {
background: #333;
display: block;
height: 2px;
position: relative;
transition: background .2s ease-out;
width: 18px;
}
.header .menu-icon .navicon:before,
.header .menu-icon .navicon:after {
background: #333;
content: '';
display: block;
height: 100%;
position: absolute;
transition: all .2s ease-out;
width: 100%;
}
.header .menu-icon .navicon:before {
top: 5px;
}
.header .menu-icon .navicon:after {
top: -5px;
}
/* menu btn */
.header .menu-btn {
display: none;
}
.header .menu-btn:checked ~ .menu {
max-height: 240px;
}
.header .menu-btn:checked ~ .menu-icon .navicon {
background: transparent;
}
.header .menu-btn:checked ~ .menu-icon .navicon:before {
transform: rotate(-45deg);
}
.header .menu-btn:checked ~ .menu-icon .navicon:after {
transform: rotate(45deg);
}
.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:before,
.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:after {
top: 0;
}
/* 48em = 768px */
#media (min-width: 48em) {
.header li {
float: left;
}
.header li a {
padding: 20px 30px;
}
.header .menu {
clear: none;
float: right;
max-height: none;
}
.header .menu-icon {
display: none;
}
}
<header class="header">
Your Logo
<input class="menu-btn" type="checkbox" id="menu-btn" />
<label class="menu-icon" for="menu-btn"><span class="navicon"></span></label>
<ul class="menu">
<li>Home</li>
<li>About</li>
<li>Blog</li>
<li>Contact Me</li>
</ul>
</header>

Here you go:
https://jsfiddle.net/ap2rzb5x/1/
$("#hamburger").click(function(){
$("#hamburger").toggleClass("hamburger-hide");
$("#hamburger").toggleClass("hamburger");
})
Summary you toggled just that one class, didn't want you maybe switch them (toggle the original hamburger class away?). Just in case I matched on the ID instead of the class so I could toggle away the original hamburger and still be able to match it with the same code.
Another problem is that you toggled '.hamburger-hide' that's not the class name, it's called 'hamburger-hide' the dot is only used by jQuery as the dollar search. Same with #hamburger, it will find ID of hamburger not #hamburger-hide.
https://api.jquery.com/category/selectors/
Probably it's not exactly doing what you want, but I think it should unstuck you and you should be able to continue making what you intend to do.

How to collapse element on page load

How can a div (menu) be collapsed when a HTML page has loaded? I tried using the following code but it's not working as the menu remains visible.
When the page has loaded, I want the menu to be collapsed on #media screen and (max-width: 768px) only. When the menu is collpased, the button should say menu +. When the menu is visible, the button should say menu -
$('#togglelink').click(function() {
$('ul').toggle(300);
if ($(this).text() == "menu +")
$(this).text("menu -")
else
$(this).text("menu +");
})
.wrapper {
width: 90%;
height: auto;
margin: 10px auto 10px auto;
border: 2px solid #000000;
background-color: #0099cc;
}
#charset "utf-8";
/* CSS Document */
body {
font-family: 'Work Sans', sans-serif;
}
.wrapper h1 {
font-size: 2.75em;
line-height: 100%;
margin-left: 10px;
margin-right: 10px;
text-align: center;
color: #fff;
}
/*Header menu*/
#menu {
background: #ffffff;
width: auto;
margin-bottom: 5px;
}
#menu ul {
list-style: none;
margin: 0;
padding: 0;
line-height: 1;
/* display: block;
*/
zoom: 1;
/* Added the following for flexbox */
display: flex;
flex-wrap: wrap;
}
#menu ul:after {
content: ' ';
display: block;
font-size: 0;
height: 0;
clear: both;
visibility: hidden;
}
#menu ul li {
/* float: left;
*/
display: block;
padding: 0;
/* Added the following for flexbox */
flex-grow: 1;
}
#menu ul li a {
color: #000;
text-decoration: none;
display: block;
padding: 15px 25px;
font-family: 'Work Sans', sans-serif;
font-size: 1.5em;
font-weight: 500;
position: relative;
-webkit-transition: color .25s;
-moz-transition: color .25s;
-ms-transition: color .25s;
-o-transition: color .25s;
transition: color .25s;
/* Added the following for flexbox */
/* So that text appear visually centered */
text-align: center;
}
#menu ul li a:hover {
color: #000;
}
#menu ul li a:hover:before {
width: 100%;
}
#menu ul li a:before {
content: '';
display: block;
position: absolute;
left: 0;
bottom: 0;
height: 3px;
width: 0;
background: #000;
-webkit-transition: width .25s;
-moz-transition: width .25s;
-ms-transition: width .25s;
-o-transition: width .25s;
transition: width .25s;
}
#menu ul li.last > a:after,
#cssmenu ul li:last-child > a:after {
display: none;
}
#menu ul li.active a {
color: #000;
}
#menu ul li.active a:before {
width: 100%;
}
.menu_toggle {
display: none;
}
#media screen and (max-width: 768px) {
#menu ul li {
float: none;
width: 100%;
}
#menu ul li a {
width: 100%;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
#menu ul li a:after {
display: none;
}
#menu ul li a:before {
height: 1px;
background: #000;
width: 100%;
opacity: .2;
}
#menu ul li.last > a:before,
#cssmenu ul li:last-child > a:before {
display: none;
}
.menu_toggle {
visibility: visible;
background-color: white;
border: 3px solid black;
color: black;
text-align: center;
text-decoration: none;
display: block;
font-size: 16px;
font-size: 1.5em;
padding: 0.5em 2em;
font-weight: 500;
margin: 0 auto;
margin-bottom: 10px;
cursor: pointer;
}
.menu_toggle:active {
background-color: black;
color: white;
}
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="wrapper">
<div>
<h1>Hello World</h1>
</div>
<div>
<button class="menu_toggle" tabindex="0" id="togglelink">menu +</button>
</div>
<div id="menu">
<ul>
<li><a><span>January</span></a>
</li>
<li><a><span>February</span></a>
</li>
<li><a><span>March</span></a>
</li>
<li><a><span>April</span></a>
</li>
<li><a><span>May</span></a>
</li>
<li><a><span>June</span></a>
</li>
<li><a><span>July</span></a>
</li>
<li><a><span>August</span></a>
</li>
<li><a><span>September</span></a>
</li>
<li><a><span>October</span></a>
</li>
<li><a><span>November</span></a>
</li>
<li><a><span>December</span></a>
</li>
</ul>
</div>
<p>
Hello World
</p>
</div>
window.innerWidth < 769 screens
window.innerWidth > 769 screens

Due to you requiring display: flex, one of the easiest ways to do this is with JS, you just need to add a hide() function before the click.
This will still then display your menu as display: flex as adding a display: none will change the menu to display: block when open.
$(document).ready(function() {
if(window.innerWidth < 769) {
$('#menu ul').hide();
}
$('#togglelink').click(function() {
$('ul').toggle(300);
if ($(this).text() == "menu +")
$(this).text("menu -")
else
$(this).text("menu +");
})
});
.wrapper {
width: 90%;
height: auto;
margin: 10px auto 10px auto;
border: 2px solid #000000;
background-color: #0099cc;
}
#charset "utf-8";
/* CSS Document */
body {
font-family: 'Work Sans', sans-serif;
}
.wrapper h1 {
font-size: 2.75em;
line-height: 100%;
margin-left: 10px;
margin-right: 10px;
text-align: center;
color: #fff;
}
/*Header menu*/
#menu {
background: #ffffff;
width: auto;
margin-bottom: 5px;
}
#menu ul {
list-style: none;
margin: 0;
padding: 0;
line-height: 1;
/* display: block;
*/
zoom: 1;
/* Added the following for flexbox */
display: flex;
flex-wrap: wrap;
}
#menu ul:after {
content: ' ';
display: block;
font-size: 0;
height: 0;
clear: both;
visibility: hidden;
}
#menu ul li {
/* float: left;
*/
display: block;
padding: 0;
/* Added the following for flexbox */
flex-grow: 1;
}
#menu ul li a {
color: #000;
text-decoration: none;
display: block;
padding: 15px 25px;
font-family: 'Work Sans', sans-serif;
font-size: 1.5em;
font-weight: 500;
position: relative;
-webkit-transition: color .25s;
-moz-transition: color .25s;
-ms-transition: color .25s;
-o-transition: color .25s;
transition: color .25s;
/* Added the following for flexbox */
/* So that text appear visually centered */
text-align: center;
}
#menu ul li a:hover {
color: #000;
}
#menu ul li a:hover:before {
width: 100%;
}
#menu ul li a:before {
content: '';
display: block;
position: absolute;
left: 0;
bottom: 0;
height: 3px;
width: 0;
background: #000;
-webkit-transition: width .25s;
-moz-transition: width .25s;
-ms-transition: width .25s;
-o-transition: width .25s;
transition: width .25s;
}
#menu ul li.last > a:after,
#cssmenu ul li:last-child > a:after {
display: none;
}
#menu ul li.active a {
color: #000;
}
#menu ul li.active a:before {
width: 100%;
}
.menu_toggle {
display: none;
}
#media screen and (max-width: 768px) {
#menu ul li {
float: none;
width: 100%;
}
#menu ul li a {
width: 100%;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
#menu ul li a:after {
display: none;
}
#menu ul li a:before {
height: 1px;
background: #000;
width: 100%;
opacity: .2;
}
#menu ul li.last > a:before,
#cssmenu ul li:last-child > a:before {
display: none;
}
.menu_toggle {
visibility: visible;
background-color: white;
border: 3px solid black;
color: black;
text-align: center;
text-decoration: none;
display: block;
font-size: 16px;
font-size: 1.5em;
padding: 0.5em 2em;
font-weight: 500;
margin: 0 auto;
margin-bottom: 10px;
cursor: pointer;
}
.menu_toggle:active {
background-color: black;
color: white;
}
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="wrapper">
<div>
<h1>Hello World</h1>
</div>
<div>
<button class="menu_toggle" tabindex="0" id="togglelink">menu +</button>
</div>
<div id="menu">
<ul>
<li><a><span>January</span></a>
</li>
<li><a><span>February</span></a>
</li>
<li><a><span>March</span></a>
</li>
<li><a><span>April</span></a>
</li>
<li><a><span>May</span></a>
</li>
<li><a><span>June</span></a>
</li>
<li><a><span>July</span></a>
</li>
<li><a><span>August</span></a>
</li>
<li><a><span>September</span></a>
</li>
<li><a><span>October</span></a>
</li>
<li><a><span>November</span></a>
</li>
<li><a><span>December</span></a>
</li>
</ul>
</div>
<p>
Hello World
</p>
</div>

Try This answer
https://jsfiddle.net/alfinpaul/umbtL1wq/2/
var windowSize = $(window).width(); // Could've done $(this).width()
if(windowSize < 768){
$('#menu ul').each(function(){
$(this).slideUp();
});
}
$('#togglelink').click(function() {
$('ul').toggle(300);
if ($(this).text() == "menu +")
$(this).text("menu -")
else
$(this).text("menu +");
})
.wrapper {
width: 90%;
height: auto;
margin: 10px auto 10px auto;
border: 2px solid #000000;
background-color: #0099cc;
}
#charset "utf-8";
/* CSS Document */
body {
font-family: 'Work Sans', sans-serif;
}
/*'FACH Technical Support' title*/
.wrapper h1 {
font-size: 2.75em;
line-height: 100%;
margin-left: 10px;
margin-right: 10px;
text-align: center;
color: #fff;
}
/*Header menu*/
#menu {
background: #ffffff;
width: auto;
margin-bottom: 5px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="wrapper">
<div>
<h1>Hello World</h1>
</div>
<div>
<button class="menu_toggle" tabindex="0" id="togglelink">menu +</button>
</div>
<div id="menu">
<ul>
<li><a><span>January</span></a>
</li>
<li><a><span>February</span></a>
</li>
<li><a><span>March</span></a>
</li>
<li><a><span>April</span></a>
</li>
<li><a><span>May</span></a>
</li>
<li><a><span>June</span></a>
</li>
<li><a><span>July</span></a>
</li>
<li><a><span>August</span></a>
</li>
<li><a><span>September</span></a>
</li>
<li><a><span>October</span></a>
</li>
<li><a><span>November</span></a>
</li>
<li><a><span>December</span></a>
</li>
</ul>
</div>
<p>
Hello World
</p>
</div>

Helloo,
In your #media screen and (max-width: 768px) try adding:
#menu ul {
display:none;
}
Fiddle: https://jsfiddle.net/rq2a3b4b/1/

Sub-menu hover menu issue on css

I want to make a code where I hover my mouse through the menu items, and appears a submenu with a list ...
Here's my html nav code on CSS first and then the HTML code ...:
nav {
background-color: #FFF;
width: 960px;
margin: 0 auto;
}
div.ajuste {
clear: both;
}
nav ul {
width: 95%;
margin: 5px 5px 0 5px;
padding: 10px 10px 10px 6px;
height: 40px;
line-height: 100%;
background: #FFF;
/* position:relative;
z-index:999;
overflow: hidden;*/
float:left;
list-style-type: none;
}
nav li {
margin-bottom: 10px;
padding-right: 25px;
float: left;
/*position: relative;*/
/*list-style: none;*/
}
nav a {
color: #36E;
font-weight: bold;
text-decoration: none;
/*margin-right: 6%;*/
font-family: arial, sans-serif;
font-style: normal;
font-size: 15px;
text-decoration: none;
display: block;
padding: 6px 20px 6px 20px;
/*margin-bottom: 10px;*/
}
nav a:hover {
color: #0505B4;
}
nav a.active {
color: #1414D3;
}
ul.dropdown, ul.dropdown li, ul.dropdown ul {
list-style: none;
margin: 0;
padding: 0;
}
ul.dropdown {
position: relative;
z-index: 597;
float: left;
}
ul.dropdown li {
float: left;
min-height: 1px;
line-height: 1.3em;
vertical-align: middle;
}
ul.dropdown li.hover, ul.dropdown li:hover {
position: relative;
z-index: 599;
}
ul.dropdown ul {
visibility: hidden;
position: absolute;
top: 100%;
left: 0;
z-index: 598;
width: 100%;
}
ul.dropdown ul li {
float: none;
}
ul.dropdown ul ul {
top: 1px;
left: 99%;
}
ul.dropdown li:hover > ul {
visibility: visible;
}
<nav>
<ul id="menu_bar" class="dropdown">
<li>Inicio</li>
<li>Biografía</li>
<li class="submenu">Discografía</li>
<ul>
<li>Innerspeaker</li>
<li>Lorenism</li>
<li>Currents</li>
</ul>
</li>
</ul>
<div class="ajuste">
<nav>
My fail occurs when I hover it ... List submenu don't appears...
What's bad on my code?

The second UL, need to be inside the LI tag.
nav {
background-color: #FFF;
width: 960px;
margin: 0 auto;
}
div.ajuste {
clear: both;
}
nav ul {
width: 95%;
margin: 5px 5px 0 5px;
padding: 10px 10px 10px 6px;
height: 40px;
line-height: 100%;
background: #FFF;
/* position:relative;
z-index:999;
overflow: hidden;*/
float:left;
list-style-type: none;
}
nav li {
margin-bottom: 10px;
padding-right: 25px;
float: left;
/*position: relative;*/
/*list-style: none;*/
}
nav a {
color: #36E;
font-weight: bold;
text-decoration: none;
/*margin-right: 6%;*/
font-family: arial, sans-serif;
font-style: normal;
font-size: 15px;
text-decoration: none;
display: block;
padding: 6px 20px 6px 20px;
/*margin-bottom: 10px;*/
}
nav a:hover {
color: #0505B4;
}
nav a.active {
color: #1414D3;
}
ul.dropdown, ul.dropdown li, ul.dropdown ul {
list-style: none;
margin: 0;
padding: 0;
}
ul.dropdown {
position: relative;
z-index: 597;
float: left;
}
ul.dropdown li {
float: left;
min-height: 1px;
line-height: 1.3em;
vertical-align: middle;
}
ul.dropdown li.hover, ul.dropdown li:hover {
position: relative;
z-index: 599;
}
ul.dropdown ul {
visibility: hidden;
position: absolute;
top: 100%;
left: 0;
z-index: 598;
width: 100%;
}
ul.dropdown ul li {
float: none;
}
ul.dropdown ul ul {
top: 1px;
left: 99%;
}
ul.dropdown li:hover > ul {
visibility: visible;
}
<nav>
<ul id="menu_bar" class="dropdown">
<li>Inicio</li>
<li>Biografía</li>
<li class="submenu">
Discografía
<ul>
<li>Innerspeaker</li>
<li>Lorenism</li>
<li>Currents</li>
</ul>
</li>
</ul>
<nav>

You have an extra li tag. Get rid of it, and it should work
<nav>
<ul id="menu_bar" class="dropdown">
<li>Inicio
</li>
<li>Biografía
</li>
<li class="submenu">Discografía
<ul>
<li>Innerspeaker
</li>
<li>Lorenism
</li>
<li>Currents
</li>
</ul>
</li>
</ul>
<div class="ajuste">
<nav>

How to get submenu to appear below main menu

Menu
NOTE: you may need to expand the Result Box
above is what i am trying to fix, the idea is that when you hover the Men and Women <li> elements a submenu appears below, this is why the hidden div is inside the <li> because then when you leave the link to go into the div it's not going to disappear. however my problem is that the other menu items are being pushed down.
Now before i did have it working, this is what i had
Old Version
however i was requested to push the first 3 links to the left and the last link to the right. all i did was add floats which seem to be the cause. i have tried changing the display property, I've tried changing the position property however the only other result i get that the sub menu sets on the end and not under the menu.
I've about ran out of idea except for getting the x and y coordinates and using css to force the div to sit there however i don't think it'll work unless it's outside the <li>, What else can i do to get my submenu to work correctly while keeping the menu alignment as it is

Is this the result you wanted to achieve? I've added my CSS at the end, for the floating of the "Cart" entry, I added an ID (cart) to cart <li> element.
JSFiddle
Here is a snippet.
.clearfix:before,
.clearfix:after {
content: "";
display: table;
}
.clearfix:after {
clear: both;
}
.clearfix {
*zoom: 1;
/* ie 6/7 */
}
/* Actual CSS */
#copyright {
text-align: center;
margin: 0px auto;
font-size: 10px;
}
#container {
width: 930px;
margin: 0px auto;
}
#navbar {
border-top: 1px solid #686868;
border-bottom: 1px solid #686868;
/*padding: 5px;*/
}
/* Hero Footer List */
#herofooter ul li a {
padding: 1em 2.5em;
text-decoration: none;
float: left;
text-align: center;
}
#byline {
background: #7D787D;
text-align: center;
color: white;
margin-top: 12px;
margin-bottom: 12px;
padding: 5px;
}
#herofooter ul li a {
background-repeat: no-repeat;
/*background-position:0.2em;*/
background-position: left center;
}
.shipping a {
/* width: 200px; */
}
#herocontainer {
clear: both;
margin: 0;
padding: 0;
padding-bottom: 10px;
border-top: 1px solid #686868;
border-bottom: 1px solid #686868;
}
.contactus a {
background-image: url('/Pics/13901.png');
}
.store a {
background-image: url('/Pics/13895.png');
}
.shipping a {
background-image: url('/Pics/13905.png');
}
.returns a {
background-image: url('/Pics/13909.png');
}
.store a {
padding-left: 27px !important;
}
.shipping a {
padding-left: 47px !important;
}
.secure a {
background-image: url('/Pics/NortonVerisign-sml.png');
padding-left: 75px !important;
padding-top: .2em !important;
}
.loyaltyprogram a {
background-image: url('/Pics/LoyaltyProgramIcon.png');
padding-left: 23px !important;
padding-top: .2em !important;
}
#herofooter ul li a:hover,
#footernav li a:hover {
/* background-color: #efefef;*/
color: #341414;
}
#herofooter ul li a,
#footernav a {
color: #686868;
}
/* Footer extra buttons */
#footermenu {
width: 800px;
text-align: center;
margin: 0px auto;
}
#footernav li {
font-size: 12px;
}
#footernav li a {
padding: 0.1em 2.5em;
text-decoration: none;
}
/* Font replacements */
#headernav {
font-family: 'Oswald', 'Verdana';
font-size: 20px;
}
#logotext {
font-family: 'Raleway', Verdana;
font-weight: 800;
font-size: 88px;
color: #000;
}
#search {
font-family: 'Oswald', Verdana;
font-weight: 400;
font-size: 18px;
color: #000;
}
#herofooter {
font-family: 'Raleway', Arial;
font-size: 14px;
font-weight: 500;
}
#copyright {
font-family: 'Raleway';
font-size: 10px;
font-weight: 300;
}
#byline {
font-family: 'Playfair Display', 'verdana';
font-weight: 400;
font-size: 24px;
}
#herofooter ul li a {
color #000 !important;
}
/* Hovers and animations */
#headernav a {
transition: background-color .25s ease;
-webkit-transition: background-color .25s ease;
-moz-transition: background-color .25s ease;
-o-transition: background-color .25s ease;
}
#headernav a:hover {
color: #CC3333;
color: #FFFFFF;
}
/* Sale, logo colour */
#headernav a {
color: #000000;
}
a#sale,
#logo {
color: #CC0001;
}
#logo a img {
border: 0;
}
/* Search */
#search {
width: 185px;
text-align: center;
margin-right: 25px;
display: block;
float: right;
margin-top: 15px;
}
#stylesearch {
border: 1px solid black;
padding: 0;
margin: 0;
width: 190px;
padding-top: 2px;
line-height: 22px;
}
#productsearch {
padding-left: 5px;
padding-right: 5px;
}
#searchbox {
border: 0;
border-right: 1px solid #686868;
margin-right: 2px;
margin-bottom: 1px;
margin-top: 1px;
padding: 5px;
width: 140px;
float: left;
}
#searchbox:focus,
#searchbox:hover {
background: #FDFDFD;
color: #000;
}
/* Header lists */
#navbar ul {
margin: 0;
padding: 0;
list-style-type: none;
text-align: center;
}
#navbar ul li {
display: inline;
}
#navbar ul li a {
text-decoration: none;
padding: 0 1.5em;
/*padding: 0 2em;*/
/*float: left;*/
}
#mycart {
float: right;
}
#navbar ul li a:hover {
background-color: #7D787D;
border-top: 1px solid #CC0001;
}
/* nav me */
.navme ul li {
display: inline;
}
.navme ul li a {
text-decoration: none;
}
#memberprogram p {
/* margin: 0; */
}
#footermenu {
text-align: left;
}
#footernav li {
display: inline-block;
width: 145px;
}
.cartimage {
vertical-align: middle;
margin-top: -7px;
border-style: none
}
.navbuttons {
min-height: 30px;
}
.mega-menu {
float: left;
z-index: 1000;
position: inherit;
text-align: left;
background: #aaaaaa;
}
/*--------Added CSS---------*/
.mega-menu {
position: absolute;
left: 0;
top: 100%;
width: 500px;
}
#navbar ul li {
position: relative;
float: left;
}
#navbar ul ul li {
float: none;
}
#navbar ul ul li a {
padding: 0 15px 0 15px;
}
#navbar ul li:hover > ul {
display: block;
}
#navbar ul li#cart {
float: right;
}
li.header {
display: block;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script type="text/javascript">
function showMenu(heading) {
$(heading).find("div[class='mega-menu']").css({
display: "block"
})
}
function hideMenu(heading) {
$(heading).find("div[class='mega-menu']").css({
display: "none"
})
}
</script>
<div id="navbar" class="navbuttons">
<ul id="headernav">
<li>New Arrivals
</li>
<li onmouseover="showMenu(this)" onmouseout="hideMenu(this)">Men
<div id="mens-cat" name="mens-cat" class="mega-menu" style="display: none; margin-top: -1px;">
<div id="category" class="clearfix">
<div id="categorycontent" class="clearfix">
<ul class="clothing category">
<li class="header">
<h4>Clothing</h4>
</li>
<ul class="items">
<li> Activewear
</li>
<li> Business Shirts
</li>
<li> Coats and Jackets
</li>
</ul>
</ul>
</div>
</div>
</div>
</li>
<li onmouseover="showMenu(this)" onmouseout="hideMenu(this)">Women
<div id="womens-cat" name="womens-cat" class="mega-menu" style="display: none;">
<div id="category" class="clearfix">
<div id="categorycontent" class="clearfix">
<ul class="clothing category">
<li class="header">
<h4>Clothing</h4>
</li>
<ul class="items">
<li> Basic Tops
</li>
<!-- <li>Cathouse Suits</li>-->
<li> Fashion Tops
</li>
<li> Jackets
</li>
</ul>
</ul>
</div>
</div>
</div>
</li>
<li id="cart">My Cart
</li>
</ul>
</div>

see the jsfiddle code : http://jsfiddle.net/sbaxe5m3/2/
add this css:
.clearfix:before,
.clearfix:after {
content: "";
display: table;
}
.clearfix:after {
clear: both;
}
.clearfix {
*zoom: 1; /* ie 6/7 */
}
/* Actual CSS */
#copyright { text-align:center; margin:0px auto; font-size:10px; }
#container {
width: 930px;
margin:0px auto;
}
#navbar {
border-top: 1px solid #686868;
border-bottom: 1px solid #686868;
/*padding: 5px;*/
}
/* Hero Footer List */
#herofooter ul li a {
padding: 1em 2.5em;
text-decoration: none;
float:left;
text-align:center;
}
#byline {
background: #7D787D;
text-align:center;
color: white;
margin-top:12px;
margin-bottom:12px;
padding:5px;
}
#herofooter ul li a {
background-repeat: no-repeat;
/*background-position:0.2em;*/
background-position: left center;
}
.shipping a {
/* width: 200px; */
}
#herocontainer {
clear:both;
margin:0;
padding:0;
padding-bottom: 10px;
border-top: 1px solid #686868;
border-bottom: 1px solid #686868;
}
.contactus a {
background-image: url('/Pics/13901.png');
}
.store a {
background-image: url('/Pics/13895.png');
}
.shipping a {
background-image: url('/Pics/13905.png');
}
.returns a {
background-image: url('/Pics/13909.png');
}
.store a {
padding-left:27px !important;
}
.shipping a {
padding-left:47px !important;
}
.secure a {
background-image: url('/Pics/NortonVerisign-sml.png');
padding-left:75px !important;
padding-top:.2em !important;
}
.loyaltyprogram a {
background-image: url('/Pics/LoyaltyProgramIcon.png');
padding-left:23px !important;
padding-top:.2em !important;
}
#herofooter ul li a:hover, #footernav li a:hover {
/* background-color: #efefef;*/
color: #341414;
}
#herofooter ul li a, #footernav a {
color: #686868;
}
/* Footer extra buttons */
#footermenu { width: 800px; text-align:center; margin: 0px auto;}
#footernav li { font-size:12px; }
#footernav li a {
padding: 0.1em 2.5em;
text-decoration: none;
}
/* Font replacements */
#headernav {
font-family: 'Oswald', 'Verdana';
font-size: 20px;
}
#logotext {
font-family: 'Raleway', Verdana;
font-weight: 800;
font-size: 88px;
color:#000;
}
#search {
font-family: 'Oswald', Verdana;
font-weight: 400;
font-size: 18px;
color:#000;
}
#herofooter {
font-family: 'Raleway', Arial;
font-size: 14px;
font-weight: 500;
}
#copyright {
font-family: 'Raleway';
font-size: 10px;
font-weight: 300;
}
#byline {
font-family: 'Playfair Display', 'verdana';
font-weight: 400;
font-size: 24px;
}
#herofooter ul li a {
color #000 !important;
}
/* Hovers and animations */
#headernav a {
transition: background-color .25s ease;
-webkit-transition: background-color .25s ease;
-moz-transition: background-color .25s ease;
-o-transition: background-color .25s ease;
}
#headernav a:hover {
color:#CC3333 ;
color:#FFFFFF ;
}
/* Sale, logo colour */
#headernav a {
color: #000000;
}
a#sale, #logo {
color: #CC0001;
}
#logo a img {
border: 0;
}
/* Search */
#search {
width: 185px;
text-align:center;
margin-right:25px;
display:block;
float:right;
margin-top:15px;
}
#stylesearch {
border:1px solid black;
padding:0;
margin:0;
width:190px;
padding-top:2px;
line-height:22px;
}
#productsearch {
padding-left:5px;
padding-right:5px;
}
#searchbox {
border:0;
border-right:1px solid #686868;
margin-right:2px;
margin-bottom:1px;
margin-top:1px;
padding:5px;
width:140px;
float: left;
}
#searchbox:focus, #searchbox:hover {
background: #FDFDFD;
color:#000;
}
/* Header lists */
#navbar ul {
margin: 0;
padding: 0;
list-style-type: none;
text-align: center;
}
#navbar ul li { display: inline; }
#navbar ul li a {
text-decoration: none;
padding: 0 1.5em; /*padding: 0 2em;*/
/*float: left;*/
}
#mycart {
}
#navbar ul li a:hover {
background-color: #7D787D;
border-top:1px solid #CC0001;
}
/* nav me */
.navme ul li { display: inline; }
.navme ul li a {
text-decoration: none;
}
#memberprogram p
{
/* margin: 0; */
}
#footermenu { text-align:left; }
#footernav li { display: inline-block; width: 145px; }
.cartimage
{
vertical-align: middle;
margin-top: -7px;
border-style:none
}
.navbuttons
{
min-height:30px;
}
#navbar ul li {
display: inline;
line-height: 30px;
position: relative;
}
.mega-menu
{
float: left;
z-index:1000;
position: inherit;
text-align:left;
background:#aaaaaa; left: 50%;
margin-left: -327px;
position: absolute;
top: 27px;
width: 654px;
}