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Fullcalendar displaying at top of page

I am an awful web programmer trying to make a website for a school club. I'm using the fullcalendar plugin to display my Google calendar's events.
The trouble is, I'm using a lot of weird little tricks to get my sidebar to work, and I think that some of the css i'm using to get my divs to display in the proper places are preventing my calendar from displaying correctly. Right now, it's crammed at the top of my div (as you can see in the events tab). I just want the calendar to display beneath the header in my #events div.
I think the culprit lies somewhere in one of these css blocks:
.container div
{
opacity: 0;
position: absolute;
top: 0;
left: 0;
padding: 10px 40px;
overflow:hidden;
}
.container
{
font-family: Avant Garde,Avantgarde,Century Gothic,CenturyGothic,AppleGothic,sans-serif;
width:80%;
min-height: 100%;
left:20%;
background-color: #ffffff;
position: relative;
box-shadow: 0 -2px 3px -2px rgba(0,0,0,0.2), 0 2px 2px rgba(0,0,0,0.1);
border-radius: 0 3px 3px 3px;
overflow-x:hidden;
overflow-y:scroll;
}
I play around with the "position:absolute" in .container div, but that just makes all of my divs go haywire. I'm really, really new at this. If anyone can help me figure out why this isn't working or give me tips on how to manage my sidebar more intelligently, I would appreciate it.
The site is hosted here:
http://webbox.cs.du.edu/~samkern/DU-GDS/index.php
Also, if any clarifications are needed, please ask. I hope I have given enough information.

I think I might have a sollution for you:
change
.container div {}
to
.container > div {}
What you're saying with .container div {}, is that ALL divs within the .container must have that style. This is apparently not what you want.
With .container > div, you only select the div's within the .container on the 1st level.
I.E.:
<div class="container">
<div> <!-- this div gets the styling from .container > div -->
<div> <!-- this div doesn't get styling from .container > div --> </div>
</div>
</div>
I hope I made this clear for you.

Give a height to your div, either in the HTML initially, or in the JavaScript when that populates the div with something. Since the page starts up with nothing much in the div it doesn't have any height. Later the JavaScript is adding content, but that won't change the height, so scroll bars appear instead and everything is out of sight. So give it enough height to hold all the content (use em units for the height, rather than px units, so it won't matter what text height your users are using).
Also check out your JavaScript syntax - there's an unwanted comma I think in the $(document.ready()) function, for instance, which should stop that bit of code running.
Also correct your HTML (run it through an HTML validator - there's several around). The errors aren't causing your particular problem, but needs cleaning up nevertheless. It needs a DOCTYPE eg for HTML5. The link to normalize.css should be in an href not an src attribute, and the for attributes in your labels don't all point to field names.

Overflow:scroll doesn't work when I add content to div

I have a div on my page with the following styles and no content to begin with:
#chatwindow {
width: 500px;
height: 50px;
overflow-y: scroll;
margin: 5px auto;
background: white;
border: 1px solid black;
}
Now, I have a simple Javascript function which adds new lines to the div:
function updateChat(response) {
$('#chatwindow').append('<p>' + response + '</p>');
$("#chatwindow").attr({ scrollTop: $("#chatwindow").attr("scrollHeight") });
}
It's supposed to add a line to the div and scroll to the top. However, after the content within the div becomes too large for the div, the overflow doesn't scroll - it remains invisible beyond the lower border of the div. What do I do (preferably with CSS alone) to make the div's scrollbar show up when the content becomes too large?
Fiddle

scrollTop is not an HTML attribute, it is however a jQuery method, among other things ?
$("#chatwindow").scrollTop( $("#chatwindow").attr("scrollHeight") );
note that scrollHeight is not an HTML attribute either, unless you added it for some reason, hard to tell without the markup, but you're probably looking for the native scrollHeight property
$("#chatwindow").scrollTop( $("#chatwindow").prop("scrollHeight") );

Dynamically changing the height of a div based on content

So I am trying to make a website and have a popup window/box DIV that appears after clicking something. This popup DIV contains text/content, let's name it "Locations," as per my website's design. This Locations Popup DIV has a fixed height and width, and consequently, there is a vertical scroll bar I've created to scroll down and read the text. I would like to add more content to this popup but unfortunately, the text is being cutoff, and the scroll does not continue scrolling down. I have set a pretty large value for the margin/padding in the DIV to make this work for a very long page length, but it is very inefficient and poor programming.
How can I set the style of a div to the height of the total HTML document (which is the dyanamic, changing factor here) using JavaScript or CSS so I can do this intelligently and properly? I don't want to have to manually do this, as the longer the HTML Document becomes if I choose, I will always have to go back and either change the margin/padding value in CSS or do something to the JavaScript.
Below is the CSS for it:
/* Pop Up */
#popupAbout, #popupLocations, #popupContact, #popupBlog {
height: 600px;
width: 900px;
overflow: scroll;
background-color: rgba(0, 0, 0, 0.75);
border: 2px solid #cecece;
z-index: 15;
padding: 20px;
color: #FFF;
-webkit-box-shadow: 0px 0px 4px #000 inset;
-moz-box-shadow: 0px 0px 4px #000 inset;
box-shadow: 0px 0px 4px #000 inset;
-webkit-border-radius: 10px;
-moz-border-radius: 10px;
-o-border-radius: 10px;
-ms-border-radius: 10px;
-khtml-border-radius: 10px;
border-radius: 10px;
margin-top: -50px;
visibility: hidden;
}
#popupAbout p, #popupLocations p, #popupContact p, #popupBlog p {
padding-left: 10px;
font-size: 18px;
line-height: 20px;
}
#popupAbout h1, #popupLocations h1, #popupContact h1, #popupBlog h1 {
text-align: left;
font-size: 30px;
letter-spacing: 1px;
border-bottom: 1px dotted #D3D3D3;
padding-bottom: 2px;
margin-bottom: 20px;
}
#popupAboutClose, #popupLocationsClose, #popupContactClose, #popupBlogClose {
right: 6px;
top: 6px;
position: absolute;
display: block;
}
And the appropriate JavaScript:
//Locations Page Pop Up
var popupLocationsStatus = 0;
function loadPopupLocations(){
if(popupLocationsStatus==0){
$("#popupLocations").fadeIn("slow");
popupLocationsStatus = 1;
}
}
function disablePopupLocations(){
if(popupLocationsStatus==1){
$("#popupLocations").fadeOut("slow");
popupLocationsStatus = 0;
}
}
function centerPopupLocations(){
var windowWidth = document.documentElement.clientWidth;
var windowHeight = document.documentElement.clientHeight;
var popupLocationsHeight = $("#popupLocations").height();
var popupLocationsWidth = $("#popupLocations").width();
$("#popupLocations").css({
"position": "absolute",
"top": windowHeight/2-popupLocationsHeight/2,
"left": windowWidth/2-popupLocationsWidth/2
});
}
$(document).ready(function(){
$("#popupLocations").fadeOut();
popupLocationsStatus = 0;
$("#Locations").click(function(){
$("#popupLocations").css({
"visibility": "visible" });
disablePopupAbout();
disablePopupContact();
centerPopupLocations();
loadPopupLocations();
});
$("#popupLocationsClose").click(function(){
disablePopupLocations();
});
});
$(function()
{
$('#popupLocations').jScrollPane();
$('.popupLocations').jScrollPane(
{
showArrows: true,
horizontalGutter: 10
}
);
});
Here is the screenshot I've saved to give a better look at what I am talking about exactly (looking at the bottom of the popup window where the text is being cutoff):
My Website Screenshot
Everyone may view my work so far at: www.zaheeruddinsyed.com, to see exactly what I am talking about.

I believe you're looking for overflow: auto property. Take a look at this fiddle.
If you want to achieve the scrollbar like on sample image, you'll have to play around with css, here is tutorial on how to apply custom style to scrollbar.
Btw, if you want to make popup window, you might want to look at Fancybox, which, in my opinion, looks really good and most of work is already done! The only downside might be that you have to use it with jQuery, but it's already used on most of the webpages today.
Edit
When I've looked at page source, I found the problem in less than a minute. The content of your popup div isn't scrolling to the bottom, it stops for some reason.
This question is similar: Bottom content cutoff using overflow: auto; and jscrollpane
Try and put this code in JavaScript console (Ctrl + Shift + (J in Chrome, K in Firefox):
$("#popupLocations .jspPane").css("top","-800px")
It scrolls down to the bottom where it should. I know that this doesn't solve your problem just yet, but I think I've found a solution (I'm not sure because I can't test it myself). But if you look at that other question, the solution is using autoReinitialise:true. You can try it right away by running this in JavaScript console:
$('.popupLocations').jScrollPane({
showArrows: true,
horizontalGutter: 10,
autoReinitialise:true
}
);
Of course you'll have to put it in your file where you're initializing jScrollPane if you want it to work correctly every time you refresh the page.
And why do you have 2 $(document).ready(function()...) and 2 $(function()... (which is the same) definitions in your file? You should put all the code in one function, which will be called when the DOM is loaded. And for the sake of your users UX, try to reduce the images and files, also try to avoid using millions of different js plugins. It took me almost 11s (according to network profiler) to load for the first time and I have 100Mb/s uplink, I can't imagine someone with mobile internet. The webpage makes over 100 requests, a lot of them are 1x1px pngs. If all that is really necessary, you might want to look into compressing and bundling. It depends on what back-end framework you'll be using. I can say that ASP.NET MVC 4 provides very simple bundle manager but I'm sure that PHP or rails provide something similar.

dynamic space between footer and div

I'm trying to figure out a way to have a certain amount of space between the top of my footer and a div.
Right now each page is of a different size and I'm adjusting this manually. The biggest issues I'm having is across different formats of web browsers my manual space is changing. and on a couple pages I have a js questionnaire, when the questionnaire is completed my div slides down over top of my back and next buttons. I corrected this by creating a new CSS style for it.
Is there a way I can set my div (Which is a box with text) to align on every page the same distance from the footer and on every browser. Right now my code is only working correctly in IE9.
Here is the CSS I'm using:
#mainInfoBox
{
margin-bottom:-35px; !important;
clear:both;
min-height:2em;
height: auto !important;
height:32px;
padding: 2px 3px 0 3px;
border: 1px solid #4c6352;
background-color:#f2f684;
color:#000;
font-family:Tahoma, Geneva, sans-serif;
text-align:center;
display:block;
position: relative;
}
And this is what I'm using in the html, though that values change on every page:
<div id="mainInfoBox" style="margin-top:193px; clear:both">Blah Blah Blah</div>

Assuming your footer is the same on every page, you can set a fixed height, or at least calculate the height of it. Then absolutely position the div you want on top of it using the bottom property like so:
footer { height: 250px; }
#mainInfoBox {
position: absolute;
bottom: 260px; /* so it is 10px on top of the footer */
}

CSS make images the same height as the containing element

This is the markup
img.shadow | div#content |div.shadow
I need to find a way to reliably keep the shadow images the same height as the content area. Problem is the content area can resize (like tabs that have different height, or parts of it that only appear in certain conditions). I was able to set the height of the shadow using javascript on page load, but then as soon as the height of the #content changes... not sure this makes sense, but...
Maybe this explains the problem better
http://jsfiddle.net/uLUnf/28/
The question is
how can I make the images (the grey boxes) resize along with the content (light grey box)?

http://jsfiddle.net/uLUnf/29/
You did it urself? :P

You could put the resize call inside the function that adds the content as well, like this:
jQuery('document').ready(function($){
$('#click_me').click(function(){
var id = $(this).attr('href');
$(id).show();
$('.shadow').height($('#content').outerHeight());
});
$('.shadow').height($('#content').outerHeight());
})()
Or it seems like you could get rid of the shadow images and the call to resize it entirely, and just add a border to the content in the CSS:
#content{
float: left;
display: block;
background: #eee;
width: 200px;
border-right: 7px solid #666;
border-left: 7px solid #666;
}