/* short head */
.dlist h3 { margin-left: 1em; }
.dlist .dif { color: #C00; }
.dlist li > ul > li { margin-left: 1em; }
div.basic, div.ex { width:49%; background:#EEF; }
div.basic .inner, div.ex .inner { padding: 1em; }
div.basic { float:left; }
div.ex { float:right; }