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My toggle button will not switch from left to right, I have coded in JavaScript and cannot find the bug?

First someone suggested it was a typo with my classList property and I made the necessary changes but it still is not working. I have js node downloaded but it still is not responding. Can anyone help? I cant yet find the bug i need some extra help. I have posted my css javascript and html files below
Here is my work..
var btn = document.getElementById("btn");
function togglebtn() {
btn.classList.toggle(".active");
}
*{
margin: 0;
padding: 0;
font-family: 'poppins', sans-serif;
box-sizing: border-box;
}
.hero{
background: #1d2026;
min-height: 100vh;
width: 100%;
color: #fff;
position: relative;
}
nav{
display: flex;
align-items: center;
}
nav .menu{
padding-right: 30px;
padding-left: 10px;
padding-bottom: 40px;
cursor: pointer;
}
nav .logo{
width: 500px;
height: 200px;
object-fit: none;
padding-right: 50px;
padding-bottom: 60px;
}
nav ul{
flex: 1;
text-align: right;
margin-right: 20px;
}
nav ul li{
display: inline-block;
list-style: none;
margin-right: 20px;
padding-bottom: 100px;
font-size: 25px;
margin: 0 20px;
}
nav ul a{
text-decoration: none;
color: #fff;
}
nav button{
background: #efefef;
height:30px ;
width: 60px;
border-radius: 20px;
border: 0;
outline: 0;
cursor: pointer;
margin-bottom: 100px;
margin-right: 20px;
}
nav button span{
display: block;
background: #999;
height: 26px;
width: 26px;
border-radius: 50%;
margin-left: 2px;
}
.lamp-set{
position: absolute;
top: -20px;
left: 22%;
width: 200px;
}
.lamp{
width: 100%;
}
.light{
position: absolute;
top: 97%;
left: 50%;
transform: translateX(-50%);
width: 700px;
margin-left: -10px;
opacity: 1;
}
.text-container{
max-width: 1000px;
margin-top: 2%;
margin-left: 50%;
}
.text-container h1{
font-size: 80px;
font-weight: 400;
display: inline-block;
color: #fff;
}
.text-container p{
font-size: 40px;
font-weight: 200;
display: inline-block;
color: #fff;
margin-top: 10px;
}
.emails{
background: #00a8f3;
padding: 14px 40px;
display: inline-block;
color: #fff;
font-size: 25px;
margin-top: 30px;
margin-left: 50%;
border-radius: 30px;
}
.active{
background: turquoise;
}
.active span{
background:#ffff ;
margin-left: 31px;
}
<div class="hero">
<nav>
<img src="menu.png" class="menu">
<img src="ovlogo.png" class="logo">
<ul>
<li>
<a href="">
Home
</li>
<li><a href="">contact</li>
<li><a href="">shop</li>
</ul>
<button type="button" onclick="togglebtn()" id="btn"><span></span></button>
</nav>
<div class="lamp-set">
<img src="lamp.png" class="lamp">
<img src="light.png" class="light">
</div>
<div class="text-container">
<h1>One Stop Shop.</h1>
<p>Get the latest "as seen on" products and appliances that fit you and your everyday needs.We specialize in variety and identifying cunsumer sentiment to maximize the expirence with overviral, your online marketplace. </p>
</div>
<div class="emails">
subscribe for emails
</div>
</div>

You have to remove the "." from the toggle function className.
function togglebtn() {
btn.classList.toggle("active"); // remove the "." from the class name
}

Footer only works when Zoom Text Only is set in Firefox, text overflows if no Zoom Text Only?

I have a semi-working HTML template for a car showroom, but this can be modified for any items for sale list:
body {
background-color: #FFF;
font-family: Helvetica, Arial, sans-serif;
}
a {
text-decoration: none;
}
header.sct1 {
background-color: #2B60DE;
border-radius: 0px;
color: #FFF;
margin: 10px;
padding: 20px;
}
img.logo1 {
width: 200px;
}
.wrapper {
border: 2px solid;
}
.content {
background-color: #FFF;
margin: 10px;
width: 800px;
margin-left: 20px;
}
footer.sct1 {
background-color: #2B60DE;
color: #FFF;
margin: 10px;
padding: 10px;
}
footer.caautos h2, footer.caautos h3 {
margin: 10px;
}
div.caautos1 {
width: 900px;
display: inline-grid;
grid-template-columns: 400px 2fr;
grid-column: 1 / span 1;
column-gap: 90px;
}
div.content {
background-color: #FFF;
width: 800px;
margin-top: 20px;
margin-bottom: 20px;
padding: 20px;
}
div.content p {
margin-left: 5px;
}
.results-vehicleresult {
margin: 20px;
}
.columns-vehicleresult {
border-radius: 0px;
background-color: #FFFFFF;
display: flex;
flex-direction: row;
flex-wrap: wrap;
width: 100%;
border: 2px solid;
margin-bottom: 20px;
}
.columns-vehicleresult {
font-size: 0.8rem;
margin-left: 90px;
}
.columns-vehicleresult .column {
flex: 33.33%;
}
/*
.columns-vehicleresult .column p {
color: #333;
font-family: HelveticaCondensed, sans-serif;
font-size: 14px;
transform:scaleX(1.2);
width: 400px;
margin-left: 20px;
margin-top: 20px;
text-transform: uppercase;
}
*/
.columns-vehicleresult .column p {
color: #333;
font-family: Helvetica, sans-serif;
font-size: 14px;
font-weight: 400;
margin-left: -5px;
margin-top: 30px;
}
.columns-vehicleresult .column p b {
font-family: Helvetica, sans-serif;
font-weight: 600;
}
h1.eurola {
font-size: 240%;
}
.vehiclesold {
color: red;
}
picture {
flex-direction: row;
max-width: 46%;
margin-left: -20px;
}
/*
picture img {
max-width: 350px;
height: auto;
margin-right: 2px;
margin: 30px;
}
*/
/*
picture img {
max-width: 350px;
height: auto;
max-width: 340px;
margin-right: 2px;
margin: 30px;
}
*/
/*
picture img {
display: inline-block;
width: 262px;
height: 198px;
margin-right: 5px;
margin: 30px;
}
*/
picture img {
display: inline-block;
width: 262px;
margin-right: 5px;
margin: 30px;
}
picture::after {
content: "Image for illustration purposes only";
display: block;
top: 50%;
transform: translateY(-240%);
font-weight: 600;
font-size: 11px;
margin-left: 30px;
}
ul.mauen {
background-color:#333;
color: #FFF;
list-style-type: none;
margin: 0;
padding: 0;
}
ul.mauen li {
float: left;
}
ul.mauen a {
display: block;
padding: 8px;
background-color: #dddddd;
}
ul.imagallery1 {
list-style-type: none;
margin-top: -5px;
margin-left: -30px;
}
.imagallery1 li {
display: inline;
margin: 0;
}
/*
.imagallery1 img {
width: 20%;
height: auto;
}
*/
.imagallery1 img {
background: rgb(247, 247, 245);
width: 100px;
height: 75px;
}
img.hald {
width: 230px;
}
div.logo-112 h2 {
color: yellow;
font-size: 36px;
-webkit-text-stroke-width: 1px;
-webkit-text-stroke-color: #FFF;
}
.logo-112 blockquote {
font-weight: 700;
}
img.imglogo1 {
height: 320px;
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Chelsea Motors - Jacksdale, Nottinghamshire - Used cars in Notts, Derbyshire</title>
<link rel="stylesheet" type="text/css" href="styles1/chelsea-motors-jacksdale.css">
</head>
<body>
<div class="wrapper">
<header class="sct1">
<h2>YOUR CAR SHOWROOM</h2>
</header>
<div class="content">
<p>Welcome to Your Car Showroom</p>
<div class="results-vehicleresult">
<div class="columns-vehicleresult">
<picture>
<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/2000_Chrysler_Cirrus_%2826663723242%29.jpg/1920px-2000_Chrysler_Cirrus_%2826663723242%29.jpg">
</picture>
<div class="column">
<p><b>2000 CHRYSLER CIRRUS 3.0 V6 LXi 4dr</b> gold <b>£3995</b></p>
</div>
<div class="column">
<ul class="imagallery1">
</ul>
</div>
</div>
<div class="columns-vehicleresult">
<picture>
<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/2000_Chrysler_Cirrus_%2826663723242%29.jpg/1920px-2000_Chrysler_Cirrus_%2826663723242%29.jpg">
</picture>
<div class="column">
<p><b>2000 CHRYSLER CIRRUS 3.0 V6 LXi 4dr</b> gold <b>£3995</b></p>
</div>
<div class="column">
<ul class="imagallery1">
</ul>
</div>
</div><div class="columns-vehicleresult">
<picture>
<img src="https://live.staticflickr.com/65535/51153373086_9061d66b91_z.jpg">
</picture>
<div class="column">
<p><b>1993 CHEVROLET BUICK CENTURY LIMITED 3.8 V6</b> 4dr, blue <b>£3995</b></p>
</div>
<div class="column">
<ul class="imagallery1">
</ul>
</div>
</div>
</div>
</div>
<footer class="sct1">
<div class="caautos1">
<h1>1 Anytown Road, Worksop, Nottinghamshire S80 1AN</h1>
<h1>✆ 01909 496000</h1>
</div>
</footer>
© 2022
</div>
</body>
</html>
For some reason, text overflows if you've set 130% zoom on Firefox as default (which I need to in my default profile) for the div.caautos part within the footer, is there a way to fix CSS per-zoom and make this look slightly better?
It's functional but I want to try and fix any mistakes regarding aesthetics and zoom to ensure it looks and works properly.

when you change page zoom, the browser changes resolution. use #media for a specific resolution.
you can read about that here.

Aligning an image to the right of text

I want to align this image to the right side of the text but I am unable to do this. All the ways I have tried but in the end, the image appears below the text contrary to what I want actually.
In my assumption, I have written the correct code.
Please see the image here.
Here is what I have in my code:
<!--Intro Page start-->
<section id="intro">
<div class="wrapper">
<div class="intro-left">
<h1>Creative Insights to Grow your Business</h1>
<p>The world's most widely deployed real-time content recomendations engine. Brought to you by Pulse Analytics.</p>
<a href="#" class="intro-cta">
Try it for Free
</a>
</div>
<div class="intro-right">
<img src="images/undraw_growth_analytics_8btt.png" alt="">
</div>
</div>
</section>
And here is the CSS:
#intro{
position: absolute;
overflow: hidden;
min-height: 600px;
padding-top: 9em;
}
#intro .intro-left{
display: inline-block;
width: 100%;
max-width: 400px;
padding: 3em 0;
}
#intro .intro-left h1{
font-size: 2.5em;
color: #241b57;
line-height: 1.5em;
position: relative;
margin-bottom: 1em;
}
#intro .intro-left h1::after{
bottom: -24px;
left: 0;
width: 50px;
height: 4px;
content: '';
border-radius: 5px;
background: #ec4357;
opacity: 0.4;
position: absolute;
}
#intro .intro-left p{
font-size: 1.125em;
line-height: 1.75em;
}
#intro .intro-left a.intro-cta{
font-weight: 500;
display: block;
width: 100%;
max-width: 180px;
margin-top: 2em;
text-align: center;
color: #ffffff;
border-radius: 3px;
background-color: #ec4357;
padding: 1em;
}
#intro .intro-right{
position: relative;
display: inline-block;
margin-left: 6em;
}
#intro .intro-right img{
max-width: 600px;
}
Please let me know where is my error. Thanks!

use flex for wrapper class:
#intro {
position: absolute;
overflow: hidden;
min-height: 600px;
padding-top: 9em;
}
.wrapper {
display: flex;
}
#intro .intro-left {
display: inline-block;
width: 100%;
max-width: 400px;
padding: 3em 0;
}
#intro .intro-left h1 {
font-size: 2.5em;
color: #241b57;
line-height: 1.5em;
position: relative;
margin-bottom: 1em;
}
#intro .intro-left h1::after {
bottom: -24px;
left: 0;
width: 50px;
height: 4px;
content: '';
border-radius: 5px;
background: #ec4357;
opacity: 0.4;
position: absolute;
}
#intro .intro-left p {
font-size: 1.125em;
line-height: 1.75em;
}
#intro .intro-left a.intro-cta {
font-weight: 500;
display: block;
width: 100%;
max-width: 180px;
margin-top: 2em;
text-align: center;
color: #ffffff;
border-radius: 3px;
background-color: #ec4357;
padding: 1em;
}
#intro .intro-right {
position: relative;
display: inline-block;
margin-left: 6em;
}
#intro .intro-right img {
max-width: 600px;
}
<section id="intro">
<div class="wrapper">
<div class="intro-left">
<h1>Creative Insights to Grow your Business</h1>
<p>The world's most widely deployed real-time content recomendations engine. Brought to you by Pulse Analytics.</p>
<a href="#" class="intro-cta">
Try it for Free
</a>
</div>
<div class="intro-right">
<img src="http://placekitten.com/301/301" alt="">
</div>
</div>
</section>

Image Modal or Expand when click in html and css

So i am trying to put a code for modal or in order to expand my images. I already checked every sector or every codes and still didn't find why it's not working. I don't want nothing to change in it except the modal, it my get mess up if i change things. I got the codes from a website. In the site their result are working but when i put the codes in the notepad nothing happened. It will be really helpful if you can find what is wrong with it. Thank you in advance for those who will help me.
body {
display: grid;
grid-template-columns: 100%;
grid-template-rows: 8vw 130vw 7vw;
grid-gap: 0em;
margin: 0;
padding: 0;
background-color: #ffffff;
width: 100%;
}
header,
footer {
grid-column: 1 / span 2;
}
main {
grid-column: 1 / span 2;
}
body {
margin: 0 auto;
max-width: 89em;
margin-left: 0;
margin-right:0;
padding: 0em 0;
}
header,
main,
aside,
footer {
display: flex;
}
footer {
background: #eaeaea;
}
.main1 {
margin-top: 450px;
margin-left: 0;
}
#body_1 h2 {
margin-left: 50px;
font-size: 30px;
color: black;
margin-top: 95px;
margin-bottom:3px;
font-family: courier new;
float: left;
}
#body_1 h6 {
margin-left: 10px;
color: blue;
margin-top: 220px;
margin-bottom:3px;
font-family: courier new;
float: left;
}
#body_1 h4 {
margin-left: 230px;
font-size: 30px;
color: black;
margin-top: 260px;
margin-bottom:3px;
position: left;
float: left;
}
.text4 {
position: absolute;
float: left;
top: 870px;
}
.background_wrap {
position: absolute;
background-color: rgba(19, 13, 6,0.5);
z-index: -1000;
width: 100%;
height: 100% ;
overflow:hidden;
background: url("Pics&Video/laoang6.jpg") no-repeat center;
background-size: cover;
}
.background_wrap::before{
background-color: rgba(0, 0, 0, 0.37);
content: '';
display: block;
height: 100%;
position: absolute;
width: 100%;
}
.content {
position: absolute;
width: 100%;
min-height: 20%;
z-index: 1000;
}
.sub-content {
position: fixed;
width: 1000px;
height: 120px;
margin: 0 auto;
transition: 0.5s;
}
.sub-content.active {
background-color: rgba(0, 26, 26,0.7);
width: 100%
}
.sub-content.active ul li a {
background-color: rgba(0, 26, 26,0.7);
}
#list {
margin-right: 5px;
position:fixed;
margin-left: 780px;
margin-top: 20px;
}
ul {
margin-top:1px;
padding: 0px;
list-style: none;
color: white;
margin-right: 0px;
font-family: calibri;
font-weight: bold;
}
ul li {
float: right;
width: 130px;
font-family: courier new;
border-bottom: 1px solid #ffffff;
border-right: 1px solid #ffffff ;
border-left: 1px solid #ffffff ;
border-top: 1px solid #ffffff ;
line-height: 25px;
text-align: center;
font-size: 13px;
font-weight: bolder;
margin-top: 35px;
margin-right: 3px;
}
ul li a {
color: white;
display: block;
margin-top: 2px;
font-weight: bolder;
text-decoration: none;
}
ul li a:hover {
background-color: green;
font-weight:bolder;
cursor: pointer;
color: white
}
ul li ul li {
display: none;
font-weight: bolder;
}
ul li:hover ul li {
display:block;
cursor: pointer;
color: white;
margin-top:1px;
margin-right: 0px;
position: center;
background-size: cover;
font-weight: bolder;
}
h1 {
font-family: comic sans ms, sans-serif;
text-align: center;
font-size: 60px;
text-transform: uppercase;
font-weight: bolder;
color: white;
margin-bottom: 6px;
}
h2 {
font-family: comic sans ms, sans-serif;
text-align: center;
font-size: 30px;
text-transform: uppercase;
font-weight: 300;
color: white;
padding-top: 14%;
}
.wrapper {
position: center;
width: 750px;
height: 100px;
margin-left:auto;
margin-right:auto;
margin-top: 150px;
font-size: 17px;
}
.image_wrap {
margin-top:20px;
height: 70px;
margin-left:55px;
}
.fl_image {
float: left;
margin-right:5px;
margin-bottom: 10px;
}
.content h6 {
font-family: courier new;
font-size: 13px;
text-transform: uppercase;
font-weight: 300;
color: green;
margin-bottom: 10px;
margin-left: 25px;
margin-top: 100px;
}
.content p {
font-family: courier new;
text-align: center;
font-size: 20px;
letter-spacing: 3px;
color: #ffffff;
}
div.gallery {
margin: 10px;
border: 0px solid #ccc;
float: left;
width: 250px;
height:250px;
}
div.gallery:hover {
border: 1px solid #777;
}
div.gallery img {
width: 100%;
height: 100%;
}
.gallery1 {
float: left;
position: absolute;
margin-top: 320px;
margin-left: 10px;
}
div.gallery {
margin: 10px;
border: 0px solid #ccc;
float: left;
width: 300px;
height:250px;
}
div.gallery:hover {
border: 1px solid #777;
}
div.gallery img {
width: 100%;
height: 100%;
}
.gallery2 {
float: left;
position: absolute;
margin-top: 840px;
margin-left: 10px;
}
.text4 {
margin-left: 360px;
font-size: 30px;
color: black;
margin-top: 220px;
margin-bottom:3px;
position: left;
float: left;
}
#myImg {
border-radius: 5px;
cursor: pointer;
transition: 0.3s;
}
#myImg:hover {opacity: 0.7;}
/* The Modal (background) */
.modal {
display: none; /* Hidden by default */
position: fixed; /* Stay in place */
z-index: 10000 ; /* Sit on top */
padding-top: 100px; /* Location of the box */
left: 0;
top: 0;
width: 100%; /* Full width */
height: 100%; /* Full height */
overflow: auto; /* Enable scroll if needed */
background-color: rgb(0,0,0); /* Fallback color */
background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
}
/* Modal Content (Image) */
.modal-content {
margin: auto;
display: block;
width: 80%;
max-width: 600px;
max-height: 450px;
}
/* Caption of Modal Image (Image Text) - Same Width as the Image */
#caption {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
text-align: center;
color: #ccc;
padding: 10px 0;
height: 150px;
}
/* Add Animation - Zoom in the Modal */
.modal-content, #caption {
animation-name: zoom;
animation-duration: 0.6s;
}
#keyframes zoom {
from {transform:scale(0)}
to {transform:scale(1)}
}
/* The Close Button */
.close {
position: absolute;
top: 15px;
right: 35px;
color: #f1f1f1;
font-size: 40px;
font-weight: bold;
transition: 0.3s;
}
.close:hover,
.close:focus {
color: #bbb;
text-decoration: none;
cursor: pointer;
}
/* 100% Image Width on Smaller Screens */
#media only screen and (max-width: 700px){
.modal-content {
width: 100%;
}
}
.transparent_btn {
font-size: 10px;
line-height: 50px;
color: #EC7063 ;
background-color: transparent;
border: 1px solid #D98880;
padding: 1px 20px;
border-radius: 10px;
text-decoration: none;
cursor: pointer;
transition: background-color ease 300ms;
font-weight: 200;
font-size: 16px;
margin-top: 620px;
float: left;
}
.transparent_btn:hover {
color: #fff;
background-color: rgba(245, 183, 177,0.8);
}
.btn {
position: absolute;
z-index: 1;
margin-left: 640px;
}
.btn2 {
position: absolute;
margin-top: 530px;
margin-left: 640px;
}
<!Doctype html>
<html>
<head>
<title> Hotels </title>
<link style="text/css" href="Hotel.css" rel="stylesheet" > </link>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.1/css/all.css" integrity="sha384-fnmOCqbTlWIlj8LyTjo7mOUStjsKC4pOpQbqyi7RrhN7udi9RwhKkMHpvLbHG9Sr" crossorigin="anonymous">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$(window).on('scroll', function(){
if($(window).scrollTop()){
$(".sub-content").addClass('active');
}else{
$(".sub-content").removeClass('active');
}
})
});
</script>
<script>
$(document).ready(function(){
// Get the modal
var modal = document.getElementById('myModal');
// Get the image and insert it inside the modal - use its "alt" text as a caption
var img = document.getElementById('myImg');
var modalImg = document.getElementById("img04");
var captionText = document.getElementById("caption");
img.onclick = function(){
modal.style.display = "block";
modalImg.src = this.src;
captionText.innerHTML = this.alt;
}
// Get the <span> element that closes the modal
var span = document.getElementsByClassName("close")[0];
// When the user clicks on <span> (x), close the modal
span.onclick = function() {
modal.style.display = "none";
}
});
</script>
</head>
<body>
<header>
<div class="background_wrap">
</div>
<div class="content">
<div class="sub-content">
<img class="image_wrap fl_image" src="Pics&Video\picture.png" height="100px" margin-left="5px" alt="Image One"/>
<div id="list" >
<ul>
<li><a> <i class="fas fa-file-signature"></i> Contact</a></li>
<li> <i class="fas fa-user"></i> About</li>
<li> History </i></li>
<li><a> Activities <i class="fas fa-caret-down"></i></a>
<ul>
<li> Hotels</li>
<li> Festival</li>
</ul>
</li>
</ul>
</div>
<h6>Calbayog Tourism</h6>
</div>
</div>
<div class="wrapper">
<h2>Search all travel deals, in one go</h2>
<h1> HOTEL </h1>
</div>
</header>
<main class="main1">
<div id="body_1">
<h2> Calbayog Hotel </h2> <h6> 2 Places </h6>
<h4> Baypark Hotel </h4>
<div class="gallery1">
<div class="gallery">
<img id="myImg" src="Pics&Video/Western Samar/Calbayog/Baypark/calbayog1.jpg" width="600" height="400">
</div>
<div class="gallery">
<img id="myImg" src="Pics&Video/Western Samar/Calbayog/Baypark/calbayog2.jpg" width="600" height="400">
</div>
<div class="gallery">
<img id="myImg" src="Pics&Video/Western Samar/Calbayog/Baypark/calbayog3.jpg" width="600" height="400">
</div>
<div class="gallery">
<img id="myImg" src="Pics&Video/Western Samar/Calbayog/Baypark/calbayog4.jpg" width="600" height="400">
</div>
<div id="myModal" class="modal">
<!-- The Close Button -->
<span class="close">×</span>
<!-- Modal Content (The Image) -->
<img class="modal-content" id="img04">
<!-- Modal Caption (Image Text) -->
<div id="caption"></div>
</div>
</div>
<div class="btn">
View
</div>
<div class="text4">
<h4> Ciriaco Hotel </h4>
</div>
<div class="gallery2">
<div class="gallery">
<img src="Pics&Video/Western Samar/Calbayog/Ciriaco/ciriaco1.jpg" alt="Cinque Terre" width="600" height="400">
</div>
<div class="gallery">
<img src="Pics&Video/Western Samar/Calbayog/Ciriaco/ciriaco2.jpg" alt="Forest" width="600" height="400">
</div>
<div class="gallery">
<img src="Pics&Video/Western Samar/Calbayog/Ciriaco/ciriaco3.jpg" alt="Cinque Terre" width="600" height="400">
</div>
<div class="gallery">
<img src="Pics&Video/Western Samar/Calbayog/Ciriaco/ciriaco4.jpg" alt="Forest" width="600" height="400">
</div>
</div>
<div class="btn2">
View
</div>
</div>
</main >
<footer style="background: #1a75ff;">
<div style="text-align: center; margin-left: 40%; margin-top: 30px; font-family: courier new;">
#2019 Calbayog Tourism. All rights resereved.
</div>
</footer>
</body>
</html>

First you have to move your scripts inside document.ready. They are accessing DOM elements before rendering is completed.
Then you have to move the modal up. Do something like this and you'll see the modal move up. $("#img01").css({position:"absolute", "top": "0px"})
Then you can proceed :)

how to eliminate the horizontal scrollbar?

I am making a website and one of my biggest problem right now is making it fit on all screens and mobile friendly. One of my biggest problems with that is the horizontal scrollbar! I appreciate anything that can be offered.
here is my code:
<!DOCTYPE html>
<html>
<link rel="shortcut icon" href="https://upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Metro-M.svg/2000px-Metro-M.svg.png">
<head>
<link rel="stylesheet" type="text/css" href="about.css">
<title>morgan</title>
<style>
html {
background: URL("https://lh3.googleusercontent.com/-lYQ3vQHE3Mo/VrVKGwg8pqI/AAAAAAAADMQ/QKjs5ALViKo/w530-d-h253-p-rw/desk%2Bbackground.png") white no-repeat center top;
background-size: 100%;
background-color: white;
margin: 0;
padding: 0;
overflow-x: none;
}
h2 {
Font-family: Arial;
top: 650px;
left: 500px;
position: absolute;
color: #525252;
font-size: 2vw;
letter-spacing: 1px;
}
h3 {
Font-family: Arial;
top: 900px;
left: 500px;
position: absolute;
color: #525252;
font-size: 2vw;
letter-spacing: 1px;
}
h1 {
position: absolute;
top: 21%;
left: 36%;
color: white;
font-family: Arial;
font-size: 4.6vw;
letter-spacing: 1px;
}
p {
position: absolute;
width: 600px;
top: 720px;
left: 310px;
height: 25px;
font-family: Gill Sans, sans-serif;
color:#696969;
font-size: 17px;
text-align: center;
line-height: 150%;
}
a {
color: white;
text-decoration:none;
}
ul li {
font-family: Arial;
text-align: center;
vertical-align: middle;
line-height: 40px;
top: 43%;
display: inline-block;
margin-top: 250px;
margin-left: 115px;
letter-spacing: 1px;
word-spacing: normal;
background-color: rgba(5, 4, 2, 0.1);
border: 2px solid white;
color: white;
text-align: center;
text-decoration: none;
font-size: 90%;
width: 150px;
height: 40px;
}
ul li:link,
ul li:visited {
font-family: Arial;
text-align: center;
vertical-align: middle;
line-height: 40px;
display: inline-block;
margin-top: 250px;
margin-left: 115px;
letter-spacing: 1px;
word-spacing: normal;
background-color: rgba(5, 4, 2, 0.1);
border: 2px solid white;
font-size: 90%;
width: 150px;
height: 40px;
text-decoration: none;
color: white;
}
li {
text-decoration: none;
color: white;
}
ul li:hover,
ul li:active {
background-color: white;
color: black;
text-decoration: none;
}
ul li a:hover, ul li a:active {
background-color: white;
color: black;
}
ul li a {
display: inline-block;
height: 100%;
width: 100%;
color: white;
text-decoration: none;
}
ul {
margin-right: 10%;
}
.wrapper {
padding-top: 0%;
}
#media screen and (max-width: 300px) {
.wrapper {
padding-top: 40%;
}
ul li{
margin-left: 2px;
margin-top: 5px;
margin-bottom: 0px;
width: 100px;
height:35px;
top: 480%;
}
ul{
margin-top: 165px;
margin-left: 20px;
}
h1{
position:absolute;
top: 120px;
left: 150px;
font-size: 19px;
}
h2 {
font-size: 20px;
width: 200px;
left: 100px;
top: 200px;
}
p {
left: 30px;
top: 390px;
}
hr {
margin-right: 85px;
margin-left: 85px;
margin-top: 375px;
}
}
hr {
margin-right: 150px;
margin-left: 150px;
margin-top: 570px;
}
</style>
</head>
<body>
<center><h1>WHO I AM</h1></center>
<div class="wrapper">
<ul>
<li><a href="www.youtube.com" class="life" ><strong>MY LIFE</strong></a></li>
<li><strong>PORTFOLIO</strong></li>
<li><strong>RESUME</strong></li>
<li><strong>ABOUT ME</strong></li>
</ul>
</div>
<h2>Some Fun Facts</h2>
<p>
I made this website from scratch when I was 14, I have a twin brother whose <br>
name is Pierson McNeal White, I have a older brother and sister who are also <br>
twins, I used to have 2 pet rats named Hermes and Cleo after the greek gods, <br>
and I watch the super bowl for the ads.
</p>
<hr>
<h3>Me In A Nutshell</h3>
</body>

Simply use
overflow-x: none;
for the horizontal scrollbar issue.
html {
background: URL("https://lh3.googleusercontent.com/-lYQ3vQHE3Mo/VrVKGwg8pqI/AAAAAAAADMQ/QKjs5ALViKo/w530-d-h253-p-rw/desk%2Bbackground.png") #363634 no-repeat center top;
background-size: cover;
position: fixed;
left: 0;
right: 0;
top: 0;
bottom: 0;
overflow-x: none;
}

Messed around with your code, didnt spend all day though. So there is still room for improvement, but fish around in here and pick what you like or build off of it.
body {
background-color: #e3e3e3;
margin: 0 auto;
padding: 0;
font-family: Arial;
}
.header {
background: url(https://lh3.googleusercontent.com/-lYQ3vQHE3Mo/VrVKGwg8pqI/AAAAAAAADMQ/QKjs5ALViKo/w530-d-h253-p-rw/desk%2Bbackground.png) no-repeat left fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
border: 1px solid #000;
text-align: center;
height: 400px;
}
.mobilelinks {display: none;}
.wrapper {
margin: 50px;
}
#footer {
text-align: center;
}
#footer a {
color: #666;
margin-left: 8px;
}
#footer a:hover {
color: #222;
text-decoration: underline;
}
h1 {
color: white;
font-family: Arial;
font-size: 72px;
letter-spacing: 1px;
}
h2 {
color: #525252;
font-size: 36px;
letter-spacing: 1px;
text-align: center;
}
p {
font-family: Gill Sans, sans-serif;
color:#696969;
font-size: 17px;
text-align: center;
line-height: 150%;
}
a {
color: white;
text-decoration:none;
}
ul li {
text-align: center;
line-height: 40px;
display: inline-block;
letter-spacing: 1px;
background-color: rgba(5, 4, 2, 0.1);
border: 2px solid white;
color: white;
text-align: center;
text-decoration: none;
font-size: 90%;
width: 150px;
height: 40px;
}
ul li:hover {
background-color: white;
}
ul li:hover > a {
color: #000;
}
#media screen and (max-width: 750px) {
.header {height: 300px;}
}
#media screen and (max-width: 500px) {
h1 {
font-size: 52px;
}
.links {display: none;}
.mobilelinks {display: inline-block;}
}
#media screen and (max-width: 400px) {
.header {height: 200px;}
.mobile-terms { display: none;}
h1 {
font-size: 36px;
}
h2 {
font-size: 22px;
}
}
<head>
<title>Morgan the Great</title>
<link rel="shortcut icon" href="https://upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Metro-M.svg/2000px-Metro-M.svg.png">
<meta name="viewport" content="width=device-width">
</head>
<body>
<div class="header">
<h1>Morgan White</h1>
<ul class="links">
<li><strong>MY LIFE</strong></li>
<li><strong>PORTFOLIO</strong></li>
<li><strong>RESUME</strong></li>
<li><strong>ABOUT ME</strong></li>
</ul>
<ul class="mobilelinks">
<li><strong>BUTTON</strong></li>
</ul>
</div>
<div id="mainwrapper">
<div class="wrapper">
<h2>Some Fun Facts</h2>
<p>
I made this website from scratch when I was 14, <br>
I have a twin brother whose name is Pierson McNeal White, <br>
I have a older brother and sister who are also twins, <br>
I used to have 2 pet rats named Hermes and Cleo after the greek gods, <br>
and I watch the super bowl for the ads.
</p>
</div>
<hr>
<div class="wrapper">
<h2>Me In A Nutshell</h2>
<p>
Other Crap Here.
</p>
</div>
</div>
<div id="footer">
Copyright © <script>document.write(new Date().getFullYear())</script> Morgan.
<div>
Link
Privacy Policy
Terms<span class="mobile-terms"> of Service</span>
</div>
</div>
Works on mobile devices.