#header { background-color: #eee; font-weight: normal; margin:0; padding:10px; font-size: small }
hr { margin-top: 20px; }
pre { text-align: left; overflow: visible }
code { background-color: #ffc }
pre code { background-color: #eee }
.pics {position:relative;z-index:0;height:280px;width:420px; text-align:center;float:left;}
.picssmall {position:relative;z-index:0;height:160px;width:250px; text-align:center;float:left;margin-bottom:0px;}
.picsmedium {position:relative;z-index:0;height:200px;width:300px; text-align:center;float:left;margin-bottom:0px;}
.picssmall img,.picsmedium img,.pics img {position:relative; margin:auto;display:none;}