首先非常感谢verycd的@不点同学提供案例。这个案例是使用CSS3制作的一个多颜色3D立体导航。在这个案例中有两个关键之处，其一使用box-shadow制作导航立体效果，其二使用gradient配合:before选择器制作导航项之间的分隔线。详细请参阅代码。

demodownload

HTML结构

<ul class="nav black">
  <li><a href="">Home</a></li>
  <li><a href="">About Me</a></li>
  <li><a href="">Portfolio</a></li>
  <li><a href="">Blog</a></li>
  <li><a href="">Resources</a></li>
  <li><a href="">Contact Me</a></li>
</ul>

CSS3代码

body{
  background: #ebebeb;
}
.nav{
  width:560px;
  height: 50px;
  font:bold 0/50px Arial;
  text-align:center;
  margin:40px auto 0;
  border-radius: 8px;
}
.nav a{display: inline-block;
  -webkit-transition: all 0.2s ease-in;
  -moz-transition: all 0.2s ease-in;
  -o-transition: all 0.2s ease-in;
  -ms-transition: all 0.2s ease-in;
  transition: all 0.2s ease-in;
}
.nav a:hover{
  -webkit-transform:rotate(10deg);
  -moz-transform:rotate(10deg);
  -o-transform:rotate(10deg);
  -ms-transform:rotate(10deg);
  transform:rotate(10deg);
}
.black{
  background: #2c2c2c;
  box-shadow: 0 7px 0 #0b0b0b;
}
.red{
  background: #f65f57;
  box-shadow: 0 7px 0 #ba4a45;
}
.blue{
  background: #36b7e5;
  box-shadow: 0 7px 0 #3595b8;
}
.green{
  background: #9cd564;
  box-shadow: 0 7px 0 #86b65b;
}
.nav li{
  position:relative;
  display:inline-block;
  padding:0 16px;
  font-size: 13px;
  text-shadow:1px 2px 4px rgba(0,0,0,.5);
  list-style: none outside none;
}
   
.nav li::before,
.nav li::after{
  content:"";
  position:absolute;
  top:14px;
  height: 25px;
  width: 1px;
}
.nav li::after{
  right: 0;
  background: -moz-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
  background: -webkit-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
  background: -o-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
  background: -ms-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
  background: linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
}
.black li::before{
  left: 0;
  background: -moz-linear-gradient(top, #2c2c2c, #000 50%, #2c2c2c);
  background: -webkit-linear-gradient(top, #2c2c2c, #000 50%, #2c2c2c);
  background: -o-linear-gradient(top, #2c2c2c, #000 50%, #2c2c2c);
  background: -ms-linear-gradient(top, #2c2c2c, #000 50%, #2c2c2c);
  background: linear-gradient(top, #2c2c2c, #000 50%, #2c2c2c);
}
.red li::before{
  left: 0;
  background: -moz-linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
  background: -webkit-linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
  background: -o-linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
  background: -ms-linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
  background: linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
}
.blue li::before{
  left: 0;
  background: -moz-linear-gradient(top, #34b0dc, #237a99 50%, #34b0dc);
  background: -webkit-linear-gradient(top, #34b0dc, #237a99 50%, #34b0dc);
  background: -o-linear-gradient(top, #34b0dc, #237a99 50%, #34b0dc);
  background: -ms-linear-gradient(top, #34b0dc, #237a99 50%, #34b0dc);
  background: linear-gradient(top, #34b0dc, #237a99 50%, #34b0dc);
}
.green li::before{
  left: 0;
  background: -moz-linear-gradient(top, #9cd564, #7aa450 50%, #9cd564);
  background: -webkit-linear-gradient(top, #9cd564, #7aa450 50%, #9cd564);
  background: -o-linear-gradient(top, #9cd564, #7aa450 50%, #9cd564);
  background: -ms-linear-gradient(top, #9cd564, #7aa450 50%, #9cd564);
  background: linear-gradient(top, #9cd564, #7aa450 50%, #9cd564);
}
.nav li:first-child::before{
  background: none;
}
.nav li:last-child::after{
  background: none;
}

.nav a,
.nav a:hover{
  color:#fff;
  text-decoration: none;
}

demodownload

如需转载，烦请注明出处：http://www.w3cplus.com/demo/css3-create-3d-nav-menu.html