Template:Tsinghua-A/navstylecss

.button {
 font-size:10px;

}

.button:hover { }

.overlay {
 background-color: #FFFFFF;

}

.nav-el {
 font-size:30px;
 background-image:url();
 opacity:0.6;
 background-repeat:no-repeat;

background-size:100% 100%; -moz-background-size:100% 100%;

 transition: background-color .3s ease-in;
 -moz-transition: background-color .3s ease-in;
 -webkit-transition: background-image .3s ease-in;
 }
.nav-el:hover,  .nav-el.active {
 background-image:url();
 opacity:1;

}

.nav-el.active {
 z-index: 11;

}