body { background-color: #ddd; padding: 0px; margin: 0px; }
div#content { margin-top: 0px; margin-left: auto; margin-right: auto; width: 728px; background-color: #fff; }
h1,h2 { text-align: center; } 
#sortable_src, #sortable_dest { list-style-type: none; margin: 0; padding: 0; float: left; margin-right: 10px; background: #eee; padding: 5px; width: 250px; border: thin solid black; }
#sortable_src li, #sortable_dest li { margin: 5px; padding: 5px; font-size: 1.2em; }
.correct { border: thin solid green; }
div#page1 { min-height: 300px; }
textarea[name=words] { width: 720px; height: 300px; }
.ad { width: 728px; height: 0px; background-color: #fff; }
#footer { background-color: #ccc; border: 2px solid #fff; padding: 0.1em; font-size: 0.8em; font-style: italic; }