.nav ul li {
-moz-transition:0.5s;
-o-transition:0.5s;
-webkit-transition:0.5s;
opacity:0;
transition:0.5s;
width:100%;
}
.nav li ul li {
-moz-transition-delay:0s;
-o-transition-delay:0s;
-webkit-transition-delay:0s;
transition-delay:0s;
}
.nav li:hover ul li {
opacity:1;
-moz-transition-delay:0.5s;
-o-transition-delay:0.5s;
-webkit-transition-delay:0.5s;
transition-delay:0.5s;
}
.nav ul li a {
background:#7770B4;
border-color:#6E67A6;
color:#fff;
line-height:1px;
-moz-transition:1.5s;
-o-transition:1.5s;
-webkit-transition:1.5s;
transition:1.5s;
}