ul {
list-style-type: none; /* suppression of useless elements */
width: 90%; /* precision for Opera */
}
li { float: left;} /* lists aligned to the left */

.ComTopMenu a {
     margin: 0 2px;
     width: 100px; /* definition of menu button size */
     height: 20px;
     float: left;
     display: block;
     text-align: center;
     border: 1px solid #eee;
     text-decoration: none;
     color: #000;
     background: #eee;
     }
	 
.ComTopMenu a:hover {
     background: #E9EFF8;
     border: 1px solid #efefef; 
     }

.ComTopMenu a:active {
     background: #eee;
     border: 1px solid gray; 
     color: #fff;
     }