Unable to enlarge a picture - html

Question

I'm trying to enlarge a smaller picture. I have a small and a large version of the pictures. I've searched on the internet, the one i'm using is the best i've found.
I know this would be much easier with 'Lightbox2' or other javascript things, but the purpose is to only use html & css.
Here you can find the link (dropbox, .zip file) to the website' folder --> https://dl.dropboxusercontent.com/u/61634717/Website.zip
It would be nice if someone could find the problem why my smaller pictures aren't enlarged when hovering over. The website is only showing the small pictures when hovering over them.
Here is the html code (for one picture):
<div class="ienlarger"><a href="#nogo"><img src="Pictures/Artists/PeopleTalkTechnoSmall.png" alt="thumb" class="resize_thumb" /><span>
<img src="Pictures/Artists/PeopleTalkTechno-Large.png" alt="large" /><br />Some text can go here.</span></a>
</div>
Here is the css code:
.ienlarger {
float: left;
clear: none;
padding-bottom: 5px;
padding-right: 5px;
}
.ienlarger a {
display:block;
text-decoration: none;
cursor:default;
}
.ienlarger a:hover{
position:relative;
}
.ienlarger span img {
border: 0px solid #FFFFFF;
margin-bottom: 8px;
}
.ienlarger a span {
position: absolute;
display:none;
color: #FFCC00;
text-decoration: none;
font-family: Arial, Helvetica, sans-serif;
font-size: 13px;
background-color: #2E2E2E;
font-weight: bold;
padding-top: 10px;
padding-right: 10px;
padding-bottom: 13px;
padding-left: 10px;
}
.ienlarger img {
border-width: 0;
}
.ienlarger a:hover span {
display:inline-table;
top: 50px;
left: 90px;
z-index: 100;
}
.resize_thumb {
width: 170px;
height : auto;
}
NOTE: Do not pay attention to the background colors :D. I know they are weird, but it is just for me to see the different < div > (they will be changed when the website is closer to being completed).

Answer 1

Alright, I downloaded your code and messed around with it.
Removing max-width: 100%; from the img CSS seems to have fixed it (line 25). In the future, please post the code along with your question, or if there are a lot of parts to it, a JSFiddle is also acceptable.
Thanks.

Answer 2

In your css you have all images set to a max-width of 100% probably to make it responsive, which is good. But that is also your problem. The images can only be 100% of their container and no bigger. If you remove img {max-width: 100%} from your css that fixes your issue.
But is also makes it not repsonsive. :-(
So your solution is to add a class="larger" to the bigger image and add another line to your css. You would end up with something like this:
img {
max-width:100%;
height:auto;
}
img.larger {
max-width: 500px; /* the maximum size you would allow for larger images */
}