Untitled

dabblet.css

#left{
  background:url(http://i.imgur.com/O8NHL3b.gif)
    50% 50%/100% 100% no-repeat;
  position:fixed;
  width:42%;
  height:100%;
  left:0;
  top:0;
  border:20px solid blue;
  border-image:url(http://i.imgur.com/S1tzTkA.png) 20 round;
}

dabblet.html

<div id="left"></div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split-vertical","fontsize":"100","seethrough":"","prefixfree":"1","page":"result"}