Glitch Strobe
HTML
<div class="left-face"></div>
<div class="right-face"></div>
CSS
.left-face{
width:100%;
height:1000px;
background-color:black;
float:left;
}
.right-face{
width:0px;
height:100px;
background-color:lightgray;
float:left;
}
.left-face:hover{
width:0px;
}
.left-face:hover > .right-face{
width:100%;
}
JavaScript
// glitch strobe box