/* CSS Document */

body{ margin:0px;}

.a21{ width:180px; height:42px;font-size:14px; color:#000000; text-decoration: none;background:url(data/images/dh2016__05.gif); text-align:center; float:left; line-height:50px;}
.a21:hover{ font-size:14px; color:#FF0000; text-decoration: none;background:url(data/images/dh2016_06.gif); text-align:center; }