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Filling next available box with a random number, if first box is occupied - JS

Very new to coding and this website in particular.
I am trying to create a 'Countdown'-style numbers game which involves trying to reach a target number using 6 random numbers. There are two categories of numbers: small numbers (1-10) and large numbers (25,50,75,100). I have created a button for each category which randomly generates a number within that category.
I am able to randomly generate these numbers and populate the first card slot using .onclick method, but I am unable to populate the next 5 card slots; every time I click it randomly generates a number in the same 1st card slot.
The goal is to populate the next card slot every time I click, not all slots at once.
I am using JS. Please see attached code.
Apologies in advance for errors as this is my first post!
HTML:
//Click on small number button to generate a random small number
document.getElementById("small_number_card").onclick = function(){
genSmallNumber();
}
document.getElementById("large_number_card").onclick = function(){
genLargeNumber();
}
//FUNCTIONS//
//Generate random small number from array
function genSmallNumber(){
var smallArray = Array(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10);
var smallNumber = smallArray[Math.floor(Math.random()*smallArray.length)];
var cardSlot = 1;
document.getElementById("box"+cardSlot).innerHTML = smallNumber;
}
//Generate random large number from array
function genLargeNumber(){
var largeArray = Array(25,50,75,100);
var largeNumber = largeArray[Math.floor(Math.random()*largeArray.length)];
var cardSlot = 1;
document.getElementById("box"+cardSlot).innerHTML = largeNumber;
}
```
*{
font-family: monospace, 'Courier New';
}
html{
height: 100%;
background: radial-gradient(circle, white, grey);
}
::placeholder{
color: black;
opacity: 0.5;
text-transform: uppercase;
font-size: 20px;
line-height: 27px;
text-align: left;
}
#container{
width: 600px;
height: 1000px;
background: blue;
margin: 15px auto;
position: relative;
border-radius: 10px;
text-align: center;
padding: 1px;
}
#target_box{
width: 500px;
height: 200px;
background: #17bef6;
border-radius: 10px;
margin: 15px 45px;
position: relative;
border: 5px solid grey;
}
#target_number_box{
width: 200px;
height: 80px;
font-size: 80px;
line-height: 80px;
margin: 14px 150px;
background: black;
border: 5px solid grey;
color: yellow;
}
#target{
margin: 0;
padding: 0;
float: left;
width: 200px;
}
#start_button{
background: red;
width: 50px;
height: 50px;
position: absolute;
top: 0;
right: 0;
margin: 29px 45px;
border-radius: 50px;
border: 5px solid grey;
cursor: pointer;
text-align: center;
font-size: 15px;
line-height: 50px;
color: white;
}
#start_button:active{
top: 5px;
border-bottom: none;
}
#selection_box{
position: absolute;
background: grey;
height: 60px;
width: auto;
border: 5px solid grey;
left: 50px;
bottom: 14px;
color: white;
text-align: center;
line-height: 60px;
font-size: 30px;
}
.box{
float: left;
width: 60px;
height: 60px;
background: blue;
margin-right: 6px;
}
#box6{
margin-right: 0;
}
#whiteboard{
background: white;
width: 550px;
height: 140px;
border-radius: 10px;
border: 5px solid grey;
position: absolute;
left: 20px;
top: 240px;
}
#working_area{
width: 530px;
height: 120px;
padding: 10px;
margin: 0;
outline: none;
border: none;
border-radius: 10px;
font-size: 20px;
color: black;
background-image: linear-gradient(to right, #e8eded 1px, transparent 1px), linear-gradient(to bottom, #e8eded 1px, transparent 1px);
background-size: 30px 30px;
line-height: 27px;
resize: none;
}
#card_selection_box{
background: #17bef6;
height: 120px;
width: 550px;
position: absolute;
top: 405px;
left: 20px;
border-radius: 10px;
border: 5px solid grey;
}
#small_number_box{
float: left;
width: 275px;
height: 120px;
}
#large_number_box{
float: right;
width: 275px;
height: 120px;
}
.number_card{
width: 60px;
height: 60px;
background: blue;
border: 5px solid grey;
font-size: 30px;
color: white;
line-height: 60px;
cursor: pointer;
}
.number_card:active{
bottom: 5px;
border-bottom: none;
}
#small_number_card{
position: absolute;
left: 102.5px;
bottom: 10px;
}
#large_number_card{
position: absolute;
right: 102.5px;
bottom: 10px;
}
#counter_box{
background: #17bef6;
height: 120px;
width: 550px;
position: absolute;
top: 405px;
left: 20px;
border-radius: 10px;
border: 5px solid grey;
margin: 0;
padding: 0;
line-height: 120px;
font-size: 100px;
color: white;
display: none;
}
```
<div id="container">
<div id="target_box">
<div id="target_number_box">
<span id="target">100</span>
<div id="start_button">Start</div>
<div id="selection_box">
<div class="box" id="box1"></div>
<div class="box" id="box2"></div>
<div class="box" id="box3"></div>
<div class="box" id="box4"></div>
<div class="box" id="box5"></div>
<div class="box" id="box6"></div>
</div>
</div>
</div>
<div id="whiteboard">
<textarea id="working_area" placeholder="Use this area as a working space..."></textarea>
</div>
<div id="card_selection_box">
<div id="small_number_box">
Small number<br/>(1-10)
<div class="number_card" id="small_number_card">
S
</div>
</div>
<div id="large_number_box">
Large number<br/>(25, 50, 75, 100)
<div class="number_card" id="large_number_card">
L
</div>
</div>
</div>
<div id="counter_box">
<span id="counter_value">30</span>
</div>
</div>
Thanks in advance! Please avoid JQuery type answers - I'm a noob!

you need to make variable cardSlot as global or put it outside the function
var cardSlot = 1; // ==> make it global
document.getElementById("small_number_card").onclick = function() {
genSmallNumber();
}
document.getElementById("large_number_card").onclick = function() {
genLargeNumber();
}
//FUNCTIONS//
function checkResetCardSlot() {
if (cardSlot > 6) {
cardSlot = 1;
// comment or remove below if you want to keep previous value
document.querySelectorAll('#selection_box .box').forEach(function(box) {
box.textContent = "";
})
}
}
//Generate random small number from array
function genSmallNumber() {
var smallArray = Array(1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10);
var smallNumber = smallArray[Math.floor(Math.random() * smallArray.length)];
checkResetCardSlot();
document.getElementById("box" + cardSlot).innerHTML = smallNumber;
cardSlot++; // update the number here
}
//Generate random large number from array
function genLargeNumber() {
var largeArray = Array(25, 50, 75, 100);
var largeNumber = largeArray[Math.floor(Math.random() * largeArray.length)];
checkResetCardSlot();
document.getElementById("box" + cardSlot).innerHTML = largeNumber;
cardSlot++; // and here
}
``` * {
font-family: monospace, 'Courier New';
}
html {
height: 100%;
background: radial-gradient(circle, white, grey);
}
::placeholder {
color: black;
opacity: 0.5;
text-transform: uppercase;
font-size: 20px;
line-height: 27px;
text-align: left;
}
#container {
width: 600px;
height: 1000px;
background: blue;
margin: 15px auto;
position: relative;
border-radius: 10px;
text-align: center;
padding: 1px;
}
#target_box {
width: 500px;
height: 200px;
background: #17bef6;
border-radius: 10px;
margin: 15px 45px;
position: relative;
border: 5px solid grey;
}
#target_number_box {
width: 200px;
height: 80px;
font-size: 80px;
line-height: 80px;
margin: 14px 150px;
background: black;
border: 5px solid grey;
color: yellow;
}
#target {
margin: 0;
padding: 0;
float: left;
width: 200px;
}
#start_button {
background: red;
width: 50px;
height: 50px;
position: absolute;
top: 0;
right: 0;
margin: 29px 45px;
border-radius: 50px;
border: 5px solid grey;
cursor: pointer;
text-align: center;
font-size: 15px;
line-height: 50px;
color: white;
}
#start_button:active {
top: 5px;
border-bottom: none;
}
#selection_box {
position: absolute;
background: grey;
height: 60px;
width: auto;
border: 5px solid grey;
left: 50px;
bottom: 14px;
color: white;
text-align: center;
line-height: 60px;
font-size: 30px;
}
.box {
float: left;
width: 60px;
height: 60px;
background: blue;
margin-right: 6px;
}
#box6 {
margin-right: 0;
}
#whiteboard {
background: white;
width: 550px;
height: 140px;
border-radius: 10px;
border: 5px solid grey;
position: absolute;
left: 20px;
top: 240px;
}
#working_area {
width: 530px;
height: 120px;
padding: 10px;
margin: 0;
outline: none;
border: none;
border-radius: 10px;
font-size: 20px;
color: black;
background-image: linear-gradient(to right, #e8eded 1px, transparent 1px), linear-gradient(to bottom, #e8eded 1px, transparent 1px);
background-size: 30px 30px;
line-height: 27px;
resize: none;
}
#card_selection_box {
background: #17bef6;
height: 120px;
width: 550px;
position: absolute;
top: 405px;
left: 20px;
border-radius: 10px;
border: 5px solid grey;
}
#small_number_box {
float: left;
width: 275px;
height: 120px;
}
#large_number_box {
float: right;
width: 275px;
height: 120px;
}
.number_card {
width: 60px;
height: 60px;
background: blue;
border: 5px solid grey;
font-size: 30px;
color: white;
line-height: 60px;
cursor: pointer;
}
.number_card:active {
bottom: 5px;
border-bottom: none;
}
#small_number_card {
position: absolute;
left: 102.5px;
bottom: 10px;
}
#large_number_card {
position: absolute;
right: 102.5px;
bottom: 10px;
}
#counter_box {
background: #17bef6;
height: 120px;
width: 550px;
position: absolute;
top: 405px;
left: 20px;
border-radius: 10px;
border: 5px solid grey;
margin: 0;
padding: 0;
line-height: 120px;
font-size: 100px;
color: white;
display: none;
}
```
<div id="container">
<div id="target_box">
<div id="target_number_box">
<span id="target">100</span>
<div id="start_button">Start</div>
<div id="selection_box">
<div class="box" id="box1"></div>
<div class="box" id="box2"></div>
<div class="box" id="box3"></div>
<div class="box" id="box4"></div>
<div class="box" id="box5"></div>
<div class="box" id="box6"></div>
</div>
</div>
</div>
<div id="whiteboard">
<textarea id="working_area" placeholder="Use this area as a working space..."></textarea>
</div>
<div id="card_selection_box">
<div id="small_number_box">
Small number<br/>(1-10)
<div class="number_card" id="small_number_card">
S
</div>
</div>
<div id="large_number_box">
Large number<br/>(25, 50, 75, 100)
<div class="number_card" id="large_number_card">
L
</div>
</div>
</div>
<div id="counter_box">
<span id="counter_value">30</span>
</div>
</div>

Meta Viewport Tag options does not work on iOS

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Fox News</title>
<link rel="icon" href="https://s2.googleusercontent.com/s2/favicons?domain_url=http://foxnews.com" type="image/gif" sizes="16x16">
<style>
body {
margin: auto;
}
.iframe-container {
position: relative;
height: 100%;
}
.iframe-container iframe,
.iframe-container object,
.iframe-container embed {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100vh;
margin: 0px;
border: 0;
}
.social-magnet {
position: fixed;
left: 10px;
font-family: 'Source Sans Pro', sans-serif;
}
.clx_iframe {
position: absolute;
display: block;
bottom: 30px;
left: 5%;
width: 100%;
height: 100px;
font-family: sans-serif;
}
.socialbar {
width: 87px;
height: 87px;
border-radius: 5px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
border: none;
pointer-events: fill;
box-shadow: none;
z-index: 101;
position: absolute;
top: 35%;
left: 147px;
border-radius: 50% !important;
}
.profilePhoto {
width: 87px;
height: 87px;
border-radius: 50%;
border: 3px dashed lightgray;
box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
object-fit: contain;
}
.messageContainer {
width: 390px;
height: auto;
line-height: 18px;
padding: 10px 15px 10px 15px;
font-size: 16px;
border: 2px solid white;
border-radius: 5px;
position: absolute;
text-align: center;
color: black;
background-color: white;
text-shadow: none;
pointer-events: fill;
box-shadow: none;
opacity: 1;
z-index: 100;
}
.circle-div {
background: #4C4E60;
height: 20px;
border-radius: 50% !important;
width: 20px;
float: right;
position: relative;
top: -20px;
right: -25px;
color: white;
}
#minimizeToggle {
color: white;
opacity: 0.75;
cursor: pointer;
font-weight: bolder;
font-size: 13px;
text-decoration: none;
}
#logosocial {
float: right;
text-decoration: none;
padding-right: 2.5px;
padding-left: 2.5px;
}
.logoImage {
width: 46px;
height: 20px;
margin-top: -5px;
background-repeat: no-repeat;
background-size: 100%;
opacity: 0.6;
position: relative;
right: -25px;
}
#profileName {
width: 77%;
line-height: 20px;
font-size: 15px;
padding-bottom: 3px;
text-align: left;
color: rgb(34, 34, 34);
display: block;
opacity: 0.6;
overflow: hidden;
white-space: nowrap;
text-decoration: none;
font-weight: bold;
}
#message {
height: 36px;
margin-top: 4px;
display: table;
text-align: left;
overflow: hidden;
width: auto;
letter-spacing: 0.5px;
color: rgb(34, 34, 34);
}
#messageText {
height: auto;
width: 100%;
display: table-cell;
vertical-align: middle;
font-weight: 400;
font-size: 14px;
color: rgb(34, 34, 34);
word-wrap: break-word;
word-break: break-all;
}
#formButton {
float: right;
margin-left: 15px;
cursor: pointer;
color: rgb(255, 255, 255);
background-color: #4C4E60;
width: 90%;
}
.triangle {
box-sizing: border-box;
background: white;
box-shadow: 0px 3px 3px 0 rgba(0, 0, 0, 0.4);
}
.triangle::after {
content: "";
position: absolute;
width: 0;
height: 0;
margin-left: -0.5em;
bottom: -2em;
left: 45%;
box-sizing: border-box;
border: 1em solid black;
border-color: transparent transparent white white;
transform-origin: 0 0;
transform: rotate(-45deg);
box-shadow: -3px 3px 3px 0 rgba(0, 0, 0, 0.4);
}
.buttonCTA {
height: 36px;
width: auto;
display: table-cell;
padding: 0 15px 0 15px;
margin: 0 0 0 15px;
border-radius: 5px;
border: 3px solid #4C4E60;
line-height: 35px;
font-weight: 400 !important;
text-decoration: none;
text-align: center;
}
/* Media Queiries */
#media screen and (max-width: 359px) and (min-width: 320px) {
.messageContainer {
width: 300px;
}
.socialbar {
left: 107px;
}
}
#media screen and (max-width: 374px) and (min-width: 360px) {
.messageContainer {
width: 340px;
}
.socialbar {
left: 125px;
}
}
#media screen and (max-width: 413px) and (min-width: 375px) {
.messageContainer {
width: 355px;
}
.socialbar {
left: 133px;
}
}
</style>
</head>
<body>
<div id="iframeWrapper" class="iframe-container">
<iframe id="website_frame" class="iframe" src="https://foxnews.com" sandbox='allow-forms allow-scripts allow-same-origin' allowfullscreen></iframe>
<div class="social-magnet">
<div class="messageContainer triangle">
<div class="circle-div"><a id="minimizeToggle" href="http://foxnews.com">x</a></div>
<a id="logosocial" href="https://clickx.io?utm_source=http://www.clickx.io&utm_campaign=contact&utm_medium=offerwidget" target="_blank">
<div class="logoImage"></div>
<a id="profileName" href="http://foxnews.com" target="_blank">Kannan Devan</a>
</a>
<span id="message">
<span id="messageText" class="text-left">
Good evening. Spent the Evening with a cup of TEA
</span>
</span>
<a class="buttonCTA" id="formButton" href="http://foxnews.com" target="_blank">
Hello Guys
</a>
</div>
<span class="socialbar">
<a id="imageLink" href="http://foxnews.com" target="_blank">
<img id="image_src" class="profilePhoto" src='https://ffb2efd5105ff0aedbc9-9cdacdeebf0faa19b665bf427f0c8092.ssl.cf1.rackcdn.com/assets/new-creator/plus-icon4.png' alt="Brand Logo">
</a>
</span>
</div>
</div>
<script type="text/javascript" charset="utf-8">
var wrapper = document.getElementsByClassName('social-magnet')[0];
var image_wrapper = document.getElementsByClassName('socialbar')[0];
var height = document.getElementsByClassName('messageContainer')[0].offsetHeight;
wrapper.style.bottom = (height + 132).toString() + 'px';
image_wrapper.style.marginTop = (height + 40).toString() + 'px';
</script>
</body>
</html>
I tried to load a website in a plain HTML page using iFrame.
When opening in desktops, the desktop version of the site is opened.
Also when opening in Android phones, the mobile version is loaded, which is the expected behavior.
But the problem is that, when opening in iPhones, the desktop version of the website is loaded.

Setting the iFrame property scrolling='no' made it look like the mobile version of the website to be loaded correctly on iOS.
var ifrm = document.createElement("iframe");
ifrm.setAttribute("src", "<%= #social_snip.url %>");
ifrm.id = 'ContentFrame';
ifrm.scrolling = 'yes';
if (check) {
document.getElementById('iframeWrapper').className += ' mobile-theme';
}
var IOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
if(IOS) {
ifrm.scrolling = 'no';
}
The above code checks whether the OS is an iOS, if yes it will set the scrolling property of iFrame with a no value.

I made a image look like a clickable button, but now when I click on it, does not act as hyperlink?

This is my button code:
.info_button {
width: 220px;
height: 300px;
position: absolute;
overflow: hidden;
margin-right: 0;
border-radius: 10px;
-o-border-radius: 10px;
-ms-border-radius: 10px;
-webkit-border-radius: 10px;
background: url(http://i.imgur.com/DkdX4Ci.jpg);
background-repeat: no-repeat;
background-position: 0 0;
box-shadow: 3px 3px 20px #363024;
}
.info_button > header {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
padding: 20px 10px;
background: inherit;
background-attachment: fixed;
overflow: hidden;
}
.info_button > header::before {
content: "";
position: absolute;
top: -20px;
left: 0;
width: 100%;
background: inherit;
background-attachment: fixed;
-webkit-filter: blur(4px);
filter: blur(4px);
}
.info_button > header::after {
content: "";
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.5)
}
.info_button > header p a {
margin: 0;
color: white;
position: relative;
z-index: 0;
}
.info_button:hover{
box-shadow: 1px 1px 5px #363024;
-webkit-box-shadow: 1px 1px 5px #363024;
-moz-box-shadow: 1px 1px 5px #363024;
position:relative;
top:7px;
margin: 0;
}
This is my html:
<div class="info_button" style="position:absolute; left:190px; top:25px;">
<header>
<p><span id="info_button"> BoilerPlate of my Mansion</span></p>
</header>
</div>
This is fiddle for my work:
http://jsfiddle.net/veniarya/ygosqouh/
The button functions exactly like I want it to be, but does not link to hyperlink when clicked. Please let me know if I am missing on something or need to add something.
Thanks.

The problem was you z-index on the anchor tag was set to 0; Once you change it to a positive z-index i.e 100 the link is now clickable.
.info_button > header p a {
margin: 0;
color: white;
position: relative;
z-index: 100;
}
As for making the entire button clickable you would have to modify the HTML like this:
<a href="https://www.google.com" target="_blank">
<div class="info_button" style="position:relative; left:190px; top:25px;">
<header>
<p><span id="info_button">
BoilerPlate of my Mansion</span></p>
</header>
</div>
</a>

Why don't you just do
<img src="...">

So the Answer for my question came from #Donte'Trumble.
CSS code:
.info_button {
width: 220px;
height: 300px;
position: absolute;
overflow: hidden;
margin-right: 0;
border-radius: 10px;
-o-border-radius: 10px;
-ms-border-radius: 10px;
-webkit-border-radius: 10px;
background: url(http://i.imgur.com/DkdX4Ci.jpg);
background-repeat: no-repeat;
background-position: 0 0;
box-shadow: 3px 3px 20px #363024;
}
.info_button > header {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
padding: 20px 10px;
background: inherit;
background-attachment: fixed;
overflow: hidden;
}
.info_button > header1::before {
content: "";
position: absolute;
top: -20px;
left: 0;
width: 100%;
background: inherit;
background-attachment: fixed;
-webkit-filter: blur(4px);
filter: blur(4px);
}
.info_button > header::after {
content: "";
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.5)
}
.info_button > header p {
margin: 0;
color: white;
position: relative;
z-index: 0;
}
.info_button:hover{
box-shadow: 1px 1px 5px #363024;
-webkit-box-shadow: 1px 1px 5px #363024;
-moz-box-shadow: 1px 1px 5px #363024;
position:relative;
top:7px;
margin: 0;
}
HTML:
<a href="https://www.google.com" target="_blank">
<div class="info_button" style="position:absolute; left:190px; top:25px;">
<header><p><span id="info_button">BoilerPlate of my Mansion</span></p>
</header>
</div>
</a>
Working fiddle: http://jsfiddle.net/veniarya/ygosqouh/
The problem was with my z-index, have to make it a positive interger, so changed it to 100 from 0, thanks again #Donte'Truble.

Gap above carousel

I hate to clutter up Stack Overflow, but I can't seem to update my original question here - Issue with div floating on top of carousel. The JSFiddle was incorrect.
I'm having some trouble with this:
http://jsfiddle.net/myoozik/U6bV8/
If you take a look at above the carousel, there is a giant gap. This comes as a result of adding the black overlay div on top of the carousel.
Any idea on how to get rid of that gap aka how is it being generated?
HTML
<div class="carousel-wrapper">
<div id="overlay-div">
</div>
<div class="jcarousel-wrapper">
<div class="jcarousel">
<ul>
<li>
<img src="/_shared/img/img1.jpg" width="850" height="500" alt="">
</li>
<li>
<img src="/_shared/img/img2.jpg" width="850" height="500" alt="">
</li>
<li>
<img src="/_shared/img/img3.jpg" width="850" height="500" alt="">
</li>
</ul>
</div> ‹›
<p class="jcarousel-pagination"></p>
</div>
</div>
CSS
#overlay-div {
background-color: #000;
width: 200px;
height: 200px;
position: relative;
left: 100px;
top: 300px;
z-index: 999;
}
.carousel-wrapper {
max-width: 850px;
/*padding: 0 20px 40px 20px;*/
margin: auto;
overflow: hidden;
}
.jcarousel-wrapper {
margin: 20px auto;
position: relative;
/*border: 10px solid #fff;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
-webkit-box-shadow: 0 0 2px #999;
-moz-box-shadow: 0 0 2px #999;
box-shadow: 0 0 2px #999;*/
}
.jcarousel-wrapper .photo-credits {
position: absolute;
right: 15px;
bottom: 0;
font-size: 13px;
color: #fff;
text-shadow: 0 0 1px rgba(0, 0, 0, 0.85);
opacity: .66;
}
.jcarousel-wrapper .photo-credits a {
color: #fff;
}
/** Carousel **/
.jcarousel {
position: relative;
overflow: hidden;
width: 850px;
height: 500px;
}
.jcarousel ul {
width: 20000em;
position: relative;
list-style: none;
margin: 0;
padding: 0;
}
.jcarousel li {
float: left;
}
/** Carousel Controls **/
.jcarousel-control-prev, .jcarousel-control-next {
position: absolute;
top: 200px;
width: 30px;
height: 30px;
text-align: center;
background: #4E443C;
color: #fff;
text-decoration: none;
text-shadow: 0 0 1px #000;
font: 24px/27px Arial, sans-serif;
-webkit-border-radius: 30px;
-moz-border-radius: 30px;
border-radius: 30px;
-webkit-box-shadow: 0 0 2px #999;
-moz-box-shadow: 0 0 2px #999;
box-shadow: 0 0 2px #999;
}
.jcarousel-control-prev {
left: -50px;
}
.jcarousel-control-next {
right: -50px;
}
.jcarousel-control-prev:hover span, .jcarousel-control-next:hover span {
display: block;
}
.jcarousel-control-prev.inactive, .jcarousel-control-next.inactive {
opacity: .5;
cursor: default;
}
/** Carousel Pagination **/
.jcarousel-pagination {
position: absolute;
bottom: 0;
left: 15px;
}
.jcarousel-pagination a {
text-decoration: none;
display: inline-block;
font-size: 11px;
line-height: 14px;
min-width: 14px;
background: #fff;
color: #4E443C;
border-radius: 14px;
padding: 3px;
text-align: center;
margin-right: 2px;
opacity: .75;
}
.jcarousel-pagination a.active {
background: #4E443C;
color: #fff;
opacity: 1;
text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.75);
}

The black color box is appearing due to #overlay-div Div that is present which has some height, width and background color. if you set display:none to it the space and black box will disappear.
below is the CSS
#overlay-div {
background-color: #000000;
display: none;
height: 200px;
left: 100px;
position: relative;
top: 300px;
width: 200px;
z-index: 999;
}
Fiddle here here.
Is this what you are looking at?

On loading web page with Firefox is not displayed as normal

I have to reduce the height webpage,
So that entire page will be exposed except a part of the purple color on the bottom page.
I think that the purple color part of the bottom page is html tag
And he unnecessary.
many thanks.
link:http://www.centerwow.com/window1/window/window.html
css code:
html{
height:0px;
}
body {
//overflow:hidden;
font-family:Palatino Linotype;
background: none repeat scroll 0 0 #6000CC;
font-family: Arial;
font-size: 12px;
margin: 0px 0px 0px 0px;
padding: 0px 0px 0px 0px;
height:600px;
}
.insidWindow {
background: none repeat scroll 0 0 #ffFFFF;
margin: 0px auto 10px auto;
padding: 10px;
position: relative;
top:-515px;
width:52.5%;
}
h2 {
color: #443333;
font-size: 14px;
line-height: 7px;
margin: 0px 5px 0px 5px;
padding: 5px;
color: white;
}
.lineAzure{
background: #0066ff;
line-height: 7px;
margin: 0px 0px 0px 0px;
height:15px;
}
#lineAzurebotom {
background: none repeat scroll 0 0 #880000;
line-height: 11px;
margin: 0;
position: relative;
top: -516px;
}
#leftcolumn_s {
background: none repeat scroll 0 0 #DDFF00;
height: 115px;
margin: 0 auto 0 auto;
padding: 10px;
position: relative;
top: 360px;
width: 88%;
}
#rightcolumn_s{
background: none repeat scroll 0 0 #DDFF00;
height: 115px;
margin: 0 auto 0 auto;
padding: 10px;
position: relative;
top: 360px;
width: 88%;
}
#chatRead {
background: none repeat scroll 0 0 #88FF00;
line-height: 90px;
margin: 0 auto;
position: relative;
top: -520px;
width: 55%;
}
#chatWrite {
background: none repeat scroll 0 0 #88FFFF;
line-height: 25px;
margin: 0 auto;
position: relative;
top: -520px;
width: 55%;
}
#lineYelow{
background: #00FFFF;
border-bottom: 4px solid #00ffff;
line-height: 7px;
margin: 0px 0px 0px 0px;
height:35px
}
#wrapMein{
background: green;
//overflow:hidden;
margin: 0px 5px 20px 5px;
padding: 0px 0px 0px 0px;
position: relative;
height:530px;
}
.column {
background: none repeat scroll 0 0 #DDFFFF;
height: 505px;
margin: 5px;
padding: 0 5px;
position: relative;
top: -15px;
width: 20%;
}
.rcolumn{
background: none repeat scroll 0 0 #ddffff;
margin: 0px 0px 0px 0px;
padding: 10px;
position: relative;
width:20%;
height:495px;
position:relative;
top:-528px;
float:right;
}
.ui-wrapper {
border: 2px solid #70A029;
}
.ui-resizable {
position: relative;
}
.ui-resizable-e {
background: url("../pic/resizable-e.gif") repeat scroll right center transparent;
cursor: e-resize;
height: 100%;
right: 0;
top: 0;
width: 6px;
}
.ui-resizable-handle {
display: none;
font-size: 0.1px;
position: absolute;
}
.ui-resizable-s {
background: url("../pic/resizable-s.gif") repeat scroll center top transparent;
bottom: 0;
cursor: s-resize;
height: 6px;
left: 0;
width: 100%;
}
.ui-resizable-se {
background: url("../pic/resizable-se.gif") repeat scroll 0 0 transparent;
bottom: 0;
cursor: se-resize;
height: 9px;
right: 0;
width: 9px;
}
html code:
<h2>this is body background.</h2>
<div class="lineAzure">this is div class lineAzure </div>
<div id="lineYelow">this is div id YineYelow</div>
<div id="wrapMein">
<div class="lineAzure" style="margin: 0px 22.6% 0px 22.6%;" "width:52.5%" >this div classlineAzurespnbsp;| | | | | |</div>
<div id="leftcolumn" class="column">here is div id = leftcolumn
<div id="leftcolumn_s">here is div id = leftcolumn_s</div>
</div>
<div id="rightcolumn" class="rcolumn">rightcolumn
<div id="rightcolumn_s">here is div id = rightcolumn_s</div>
</div>
<div class="insidWindow">
<div id="windowResize" class="ui-wrapper" style="height: 340px; width: 350px;">
<div style="position: absolute; top: 20px; left: 20px; " >
Resize me<br>
Please try to resizeme:<br> www www www.
</div>
</div><br>
</div><!--insidWindow-->
<div id="chatRead">here is div id = chatread</div>
<div id="chatWrite">here is div id = chatWrite</div>
<div id="lineAzurebotom">here is div id = lineAzurebotom</div>
</div><!--wrapMein-->

If I understand your question correctly, add overflow: hidden; to your #wrapMein id.
The additional height (and purple spacing) is coming from the layout your page content is creating from the negative position: relative inner divs (-520px etc) which is still counted towards your box model values in Firefox.