Something like this?
(Copy and paste the following into a new blank document, then change the leaf icon jpegs to your own images)
<!dictype html>
<html lang="en-us"">
<head>
<meta charset="utf-8" />
<title>More Info on Hover</title>
<style type="text/css">
#wrapper {
width:628px;
margin:auto;
}
.content {
margin-right:10px;
margin-bottom:10px;
position:relative;
float:left;
border:2px solid black;
width:300px;
height:200px;
overflow:hidden;
background:url(images/leaf_icon2.jpg) center repeat-y;
-webkit-transition: all 300ms;
transition:all 300ms;
}
.scroll {
position:absolute;
bottom:-52px;
border-top:1px solid orange;
width:300px;
height:50px;
text-align:center;
-webkit-transition: all 500ms;
transition:all 500ms;
}
.content:hover .scroll {
position:absolute;
bottom:-2px;
border-top:1px solid orange;
width:300px;
height:50px;
background-color:rgba(0, 0, 0, .35);
}
</style>
</head>
<body>
<div id="wrapper">
<div class="content">
<div class="scroll">some text or whatever <a href="images/leaf_icon2.jpg">link</a></div>
</div>
<div class="content">
<div class="scroll">some text or whatever <a href="images/leaf_icon2.jpg">link</a></div>
</div>
<div class="content">
<div class="scroll">some text or whatever <a href="images/leaf_icon2.jpg">link</a></div>
</div>
<div class="content">
<div class="scroll">some text or whatever <a href="images/leaf_icon2.jpg">link</a></div>
</div>
</div>
</body>
</html>
One thing to note, this won't do anything on a device that doesn't have a mouse so it would need to be hidden on your tablet and phone media queries if your planning a responsive site.