JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://secretdesignproject.com/sdp/triangles/js/jquery-1.10.2.min.js"></script>
<script src="http://secretdesignproject.com/sdp/triangles/js/angular.js"></script>
<script src="http://secretdesignproject.com/sdp/triangles/js/angular-resource.min.js"></script>
<script src="http://secretdesignproject.com/sdp/triangles/js/controllers/app.js"></script>
<script src="http://secretdesignproject.com/sdp/triangles/js/jquery.scrollTo.min.js"></script>
<script src="http://secretdesignproject.com/sdp/triangles/js/jquery.localScroll.min.js"></script>
<link rel="stylesheet" href="http://secretdesignproject.com/sdp/triangles/css/sdp.css">
<div>
<div class="page fixed"></div>
<div class="page"></div>
<div class="page"></div>
<div class="page z"></div>
<div class="page z"></div>
<div class="page z"></div>
</div>
CSS
.page {
width:50%;
height:200px;
border:2px solid #000;
z-index: 2;
display:block;
background-color:#ccc;
}
.page.z {
border-color:#F00;
-webkit-transform:translateZ(1px);
-moz-transform:translateZ(1px);
-o-transform:translateZ(1px);
transform:translateZ(1px);
}
.page.fixed {
position: fixed;
width:10%;
left:15%;
top:50px;
z-index: 1;
background-color:#Fcc;
}