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Unable to get the tab content on right side

I have a peculiar problem of tab content not floating on right side as its tabs are on right side too. Below is the picture to get a better idea:
I have tried floating the tab content right but not working. Rather its going past right where I can't see anything. This problem exists for both Live Chat and Mail Us tabs.
Below is the codepen.
HTML Code
<div class="tab-pane livechat wow animated bounceInLeft" id="chat">
<div class="chatwidget">
Click for Chat
</div>
</div>
CSS3
.livechat {
position: absolute;
bottom: 0px;
width: 50%;
background-color: #eee;
height: 370px;
text-align: center;
box-shadow: 0 0 20px grey;
float: right;
}
.chatwidget {
padding: 150px;
font-size: 24px;
}

To right align an absolute positioned element, use right: 0; instead of float: right, float has no effect on absolute positioned elements.
Updated codepen
.livechat {
position: absolute;
bottom: 0px;
width: 50%;
right: 0;
background-color: #eee;
height: 370px;
text-align: center;
box-shadow: 0 0 20px grey;
}

Instead of float:right, use right:0px;
.livechat {
position: absolute;
bottom: 0px;
width: 50%;
background-color: #eee;
height: 370px;
text-align: center;
box-shadow: 0 0 20px grey;
right: 0;
}

Before you add position: absolute to the livechat element you should add position: relative to its one of parent elements as below mentioned. Better it is to body tag. And put right: 0; instead of float: right;.
body{
position: relative;
}
.livechat {
position: absolute;
bottom: 0px;
width: 50%;
background-color: #eee;
height: 370px;
text-align: center;
box-shadow: 0 0 20px grey;
right: 0;
}

MaterializeCSS modal header

I'm using materializecss framework, right, and I'm trying to make a "modal-header" the same as "modal-footer.
Like, when I use "modal-footer", it creates a block over the modal that stops even scrollbar.
So I copyed some "modal-footer" propreties and paste on a new "modal-header" class on css.
Look:
HTML:
<div id="termosdecontrato" class="modal modal-fixed-footer">
<div class="modal-header"><h4 class="centroh">Termos de contrato</h4></div>
<div class="modal-content">
<p style="text-align:justify;text-justify:inter-word;">Lorem ipsum</p>
</div>
<div class="modal-footer">
Entendi
</div>
</div>
CSS:
.modal {
display: none;
position: fixed;
left: 0;
right: 0;
background-color: #fafafa;
padding: 0;
max-height: 70%;
width: 55%;
margin: auto;
overflow-y: auto;
border-radius: 2px;
will-change: top, opacity; }
#media only screen and (max-width : 992px) {
.modal {
width: 80%; } }
.modal h1, .modal h2, .modal h3, .modal h4 {
margin-top: 0; }
.modal .modal-content {
padding: 24px; }
.modal .modal-close {
cursor: pointer; }
.modal .modal-header {
border-radius: 0 0 2px 2px;
background-color: #fafafa;
padding: 4px 6px;
height: 56px;
width: 100%; }
.modal .modal-footer {
border-radius: 0 0 2px 2px;
background-color: #fafafa;
padding: 4px 6px;
height: 56px;
width: 100%; }
.modal .modal-footer .btn, .modal .modal-footer .btn-large, .modal .modal-footer .btn-flat {
float: right;
margin: 6px 0; }
.lean-overlay {
position: fixed;
z-index: 999;
top: -100px;
left: 0;
bottom: 0;
right: 0;
height: 125%;
width: 100%;
background: #000;
display: none;
will-change: opacity; }
.modal.modal-fixed-footer {
padding: 0;
height: 70%; }
.modal.modal-fixed-footer .modal-header {
border-bottom: 1px solid rgba(0, 0, 0, 0.1);
position: absolute;
top: 0; }
.modal.modal-fixed-footer .modal-content {
position: absolute;
height: calc(100% - 56px);
max-height: 100%;
width: 100%;
overflow-y: auto; }
.modal.modal-fixed-footer .modal-footer {
border-top: 1px solid rgba(0, 0, 0, 0.1);
position: absolute;
bottom: 0; }
But I have this:
http://i.imgur.com/dUZS5m4.png
PS.: My past questions is getting low reputations, why?
PS².: I CAN'T post images yet, ok?

The reason the modal's content is invading the header's space is because your "modal-header" and your "modal-content" divs are both absolutely positioned.
An element with a position of "absolute" is placed on the page relative to it's container element - that being the closest positioned element ("absolute," "relative," or "fixed") that contains it.
This means that your two divs only care about their immediate parent, the "modal" div, and they completely disregard each other.
While a z-index on your "modal-header" div and a new calc-height and margin-top on the "modal" div will fix the issue visually, the recommended solution would be to change both your "modal-header" and your "modal-content" divs to be relatively positioned to each other, and then work on having the overflow of content wrapped so it adheres to the "modal-content" divs size.
Hope that helps!
Here's a decent css-tricks article on the issue

Solved, added z-index:5 on .modal .modal-header class.
AND
This:
margin-top: +56px;
height: calc(100% - 112px);
on .modal.modal-fixed-footer .modal-content tag.

How to :hover one div on two other divs and make it dynamic with JS/JQuery?

I need to hover this div on 2 more divs, and this div additionally should go on its position dynamically maybe playing with the $(document).width();
So, an example is the following:
<div id="store">
<div id="storeText">Store</div>
</div>
<div id="score">
<div id="money">Money earned: 0</div>
<div id="times">Bulbs charged: 0</div>
</div>
CSS
#score {
background-color: #aaaaaa;
width: 96%;
margin: 0;
padding: 10px 2% 10px 2%; }
#store {
float:right;
background-color: #c0c0c0;
width: 10%;
height: 200px;
margin: 0;
padding: 19px 2% 19px 2%; }
#storeText {
text-align: center; }
That's what I should do, but you need to consider I have one more div in the bottom and this is what happens:
JSFiddle
So my question is, how can I position that div '#store' dynamically on that position (right) noting that it should hover all the divs and not make them go away as it actually does right now.
If you didn't get how the result should be, this link will help you understand it carefully.

Please check this code: JSFiddle
What i understand from you i put here, please let me know if you want any more help.
#store {
background-color: #aaaaaa;
width: 96%;
margin: 0;
padding: 10px 2% 10px 2%;
}
#score {
float:right;
background-color: #c0c0c0;
width: 100%;
height: 300px;
margin: 0;
}
#storeText {
text-align: center;
}
#div3 {
float:right;
background-color: red;
width: 100%;
margin: 0;
height: 300px;
position: absolute;
left: 0px;
top: 0px;
z-index: 1;
opacity: 0.4;
padding: 10px 2% 10px 2%;
}
<div id="store">
<div id="storeText">Store</div>
</div>
<div id="score">
<div id="money">Money earned: 0</div>
<div id="times">Bulbs charged: 0</div>
</div>
<div id="div3"></div>

Positioning z-index does not work as expected

I cannot position info-pop-title on top of bar-header as you can see from my current code the text "TEST----" is visible but under the bar-header element.
http://jsfiddle.net/uvh4ymh9/
Could you point me out what am I doing wrong and how to fix it
PS: I cannot change structure for the HTML, only CSS solution
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<style>
.bar-header, .bar-footer {
position: fixed;
left: 0px;
width: 1280px;
z-index: 1;
background-color: rgba(50,50,50,0.5);
text-align: center;
}
.bar-header {
top: 0px;
height: 60px; /* safearea top 25 + content 20 + space bottom 15*/
}
.bar-header h1 {
position: fixed;
top: 25px; /* safearea top 25 */
left: 25px; /* safearea left */
font-size: 20px; /* content */
}
.bar-footer {
top: 670px;
height: 50px; /* safearea bottom 20 + content 20 + space top 10 */
font-size: 20px; /* content */
}
.bar-footer > ul {
position: fixed;
top: 680px; /* footer top 670 + space top 10*/
left: 1150px;
}
.bar-footer > ul li {
float: left;
}
.bar-footer li:nth-child(1) span {
color: blue;
}
#scene-main {
position: fixed;
top: 0px;
left: 0px;
width: 1280px;
height: 720px;
/*background: #ffffff url("/auth/assets/tv-safearea-transparent.png") no-repeat left;*/
background-color: darkgrey;
}
#btn-up, #btn-down {
position: fixed;
left: 1230px;
width: 50px;
height: 50px;
background-color: yellow;
outline: 1px solid black;
z-index: 200;
}
#btn-up {
top: 0px;
}
#btn-down {
top: 50px;
}
#content {
position: fixed;
top: 0px; /* header */
}
.content-section:first-child {
margin-top: 60px; /* header height content does not go under header */
}
.content-section {
background-color: lightgray;
outline: 1px solid black;
width: 1280px;
}
/* Content sizes */
.content-snippet {
height: 360px; /* 1 slots */
width: 1280px;
background-color: lightblue;
outline: 1px solid green;
}
.content-snippet:nth-child(even) {
background-color: lightcoral;
}
.content-section h2 {
position: relative;
top: 30px; /**avoid to go under the header bar*/
}
.active {
background-color: violet !important;
}
.snippet-pop-info {
position: fixed;
top: 640px; /*430 = final position as visible / 670 = final position as not visible */
width: 1280px;
height: 240px;
background-color: darkblue;
opacity: 1;
color: white;
}
.snippet-pop-info ul {
position: absolute;
top: 0px;
left: 1155px;
width: 100px;
}
.snippet-pop-info ul li {
width: 100px;
}
.snippet-pop-info .rating {
position: absolute;
top: 65px;
left: 25px;
unicode-bidi: bidi-override;
direction: rtl;
}
.snippet-pop-info .rating > span {
display: inline-block;
position: relative;
width: 20px;
}
.snippet-pop-info .rating > span:hover:before,
.snippet-pop-info .rating > span:hover ~ span:before {
content: "\2605";
position: absolute;
}
#info-pop-title {
position: fixed;
top: 0px;
left: 250px;
z-index: 1;
font-size: 30px;
color: white;
font-weight: bold;
}
#info-pop-description {
position: absolute;
overflow: hidden; /* hide content that does not fit in the columns*/
top: 25px;
left: 300px; /* TEST */
height: 80px;
width: 800px;
font-size: 20px;
-webkit-column-count: 2;
-webkit-column-gap: 10px;
column-count: 2;
column-gap: 10px;
}
</style>
</head>
<body>
<div id="viewport">
<div id="scene-main" class="scene" style="">
<div class="bar-header"><h1>ChannelLive logo</h1></div>
<div id="page">
<div id="content">
<div id="snippet-cnt-0" class="content-snippet">
0
<div class="snippet-pop-info" style="top: 720px;">
<h1 id="info-pop-title" style="word-wrap: break-word;">TEST-----------------</h1>
<div class="rating"><span>☆</span><span>☆</span><span>☆</span><span>☆</span><span>☆</span></div>
<div id="info-pop-description" style="word-wrap: break-word;">null</div>
<ul>
<li class="focusable" data-href="movie-play">Play</li>
<li class="focusable" data-href="movie-details">Details</li>
</ul>
</div>
</div>
</div>
</body>
</html>

It's not clear what you're trying to accomplish, but I can make Chrome work like Firefox by getting rid of the
position: fixed;
style from #content. Whether that will work in the larger context of your layout, I don't know, but the problem is that the way z-index works is weird and complicated, and involves not just individual fixed elements but also any fixed parents they might have.
edit — oh also, set the z-index of .snippet-pop-info to 2. Here is an updated version of your fiddle.

Make your
.bar-header, .bar-footer{
z-index:0;
}
This will do the trick. Since your z-index for .bar-header and .info-pop-title are the same.

Add z-index in your content div
#content
{
position:fixed;
top:0;
z-index:1;
}

I'm afraid you can't make it work with the way your html is nested.
The element you want to pull on top to cover the rest is located in the main container while your second element is isolated in the header. If you want to bring your info-pop-title there you'll have to change the z-index of your #page element, which will cover everything.
The only thing I see you can achieve with this structure would be to position your diverse containers relatively and change the css of your info-pop-title with a negative margin, position absolutely this time.

Opacity or Page Background is showing on half page on Pop Up

I am making a pop up on one of my project.
CSS Code
<style type="text/css">
#modalPage
{
display: none;
position: absolute;
width: 100%;
height: 100%;
top: 0px;
left: 0px;
background-color: rgba(0, 0, 0, 0.95);
z-index: 999;
}
.modalContainer
{
position: absolute;
width: 100%;
height: 100%;
left: 50%;
top: 50%;
z-index: 999;
}
</style>
Content CSS
.modal
{
background-color: #6f9255;
position: relative;
top: -300px;
left: -305px;
z-index: 1000;
width: 600px;
overflow:auto;
}
JAVASCRIPT Code
<script type="text/javascript">
function myFunction() {
document.getElementById('modalPage').style.display = "block";
}
function hideModal()
{
document.getElementById('modalPage').style.display = "none";
}
</script>
HTML Code
<div id="modalPage">
<div class="modalContainer">
<div class="modal"> </div>
</div>
</div>
But the problem is that, it is fine but the opacity or page background which I putting on it, it is displaying on half page, not on full page.
Displaying by this code. background-color: rgba(0, 0, 0, 0.95);
Please tell me, where is the problem.
I can't keep the position fixed, because my pop up is longer then original page size and it is coming with scroll and cross the footer link too.
Any help will be appreciated.
Thanks

I think the problem is not related with an opacity issue. You say that your .modalContainer is 100% width and height but you start it at 50% top left. So the whole thing is 150% width and height, while #modalPage is only 100% width and height.
If you know the exact width and height of your container I suggest you to simply modify your css to center propertly the container. For example:
.modalContainer
{
position: absolute;
width: 50%;
height: 50%;
left: 25%;
top: 25%;
z-index: 999;
background-color: red; /*added to see where the container is*/
}
Working example:
http://jsfiddle.net/L2cXP/
If you want a modal longer than the page itself, i suggest a new approach.
We can ignore vertical centering because the modal is longer than the page. We just want that #modalPage has a overflow: auto property so it will show a scrollbar when its contents are longer than it.
Probably you would like to add an overflow: hidden property to the body when the modal shows to block the standard scrollbar of your page.
Check this working example:
http://jsfiddle.net/L2cXP/1/

try:
#modalPage {
position: fixed;
}
http://jsfiddle.net/68Sty/

.modalContainer has a "left" of 50%, so starting at halfway is expected. Try something like:
.modalContainer {
position: absolute;
width: 100%;
height: 100%;
top:0;
left:0;
right:0;
bottom:0;
z-index: 999;
}

try this
<div id="modalPage">
<div class='relative'>
<div class="modalContainer">
<div class="modal"> </div>
</div>
</div>
</div>
your css
.relative{
position:relative;
zoom:1;
height:100%;
width:100%;
}

A little CSS magic - and we have simple and nice CSS popups with no javascript positioning! consider this demo:
HTML:
<div id="modalPage" class="csspopup-overlay">
<div class="modalContainer csspopup-popup">
<div class="csspopup-close" onclick="hideModal()">×</div>
<div class="modal">Some modal content</div>
</div>
</div>
I define .csspopup-overlay and .csspopup-popup in CSS as follows:
.csspopup-overlay {
position: fixed;
left: 0;
top: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, .5);
text-align: center;
}
.csspopup-overlay:after, .csspopup-valignfix {
display: inline-block;
*display: inline;
*zoom: 1;
height: 100%;
width: 0;
vertical-align: middle;
content: '';
}
.csspopup-popup {
display: inline-block;
*display: inline;
*zoom: 1;
position: relative;
max-width: 80%;
padding: 15px;
box-shadow: 0 0 15px 5px rgba(0, 0, 0, 0.3);
background: #FFF;
vertical-align: middle;
border-radius: 6px;
}
.csspopup-popup > .csspopup-close {
display: block;
position: absolute;
top: -15px;
right: -12px;
width: 12px;
height: 12px;
padding: 4px;
border: 4px solid #fff;
border-radius: 50%;
box-shadow: inset 0 2px 2px 2px rgba(0, 0, 0, 0.2), 0 2px 5px rgba(0, 0, 0, .4);
cursor: pointer;
background: #555;
color: #FFF;
text-align: center;
font-size: 12px;
line-height: 12px;
text-decoration: none;
font-weight: bold
}
Demo: http://jsfiddle.net/acA73/
Note: I extracted these CSS for you from https://github.com/dfsq/cssPopup jQuery plugin.