.blk0 {position: relative; width: 350px; height: 350px; overflow: hidden}
.menu{position: relative; width: 350px; height: 40px; border:1px dotted gray;}
.sMenuG{position: absolute; top:1px;left:2px;width: 170px; border:1px dotted gray;}
.sMenuD{position: absolute; top:1px; left:176px; width: 170px; height: 10px; border:1px dotted gray;}
.blk0_ann{position:absolute;  top:355px; left: 355px; width:340px;height:340px; color: gray;background-color:#f5f5f5;}
.blk0_annP {position: absolute; top: 4px; left: 4px; width: 340px; height: 340px; color: #66CCCC; background-color: #f5f5f5}