body,div,dl,dt,dd,ol,ul,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,blockquote,th,td {margin: 0;padding: 0;}

#heading {display:block;text-align:center;	margin-bottom:0;}
		#heading * {
			display: inline;
			user-select: none;
			cursor: pointer;
			vertical-align: middle;
		}
	#heading li.active {}
	#wrapper {border:1px dotted gray; margin:1em;padding:1em; }
		
	#panes {	text-align:left;border-style:none;width:830px;}
		#panes div div {overflow:hidden; }
		#previous {float:none;cursor:pointer;}
		#next {float:none;cursor:pointer;}
		.pane {height:125px;	width:840px;}