CSS3实现酷炫导航_html/css

*{ margin:0 auto; }body{ background-color: #EEEEEE; font-family: Microsoft Yahei,Arial,sans-serif; }nav{ width: 100%; background-color: #455552; position: relative; width: 650px; margin-top: 100px; }.nav-ul{ list-style: none; }.nav-ul>li{ display: inline-block; position: relative; }.nav-ul a{ text-decoration: none; color: #FFF; display: inline-block; padding: 10px 20px; }.nav-ul a:hover{ background-color: #1ABC9C; }.nav-ul a:hover+ul li{ opacity:1; -webkit-transform: rotateY(0deg); transform: rotateY(0deg); }.nav-ul a+ul{ list-style: none; position: absolute; transition: opacity 0.5s; -webkit-perspective: 800; -webkit-transform-style: preserve-3d; }.nav-ul a+ul:hover li{ opacity: 1; -webkit-transform: rotateY(0deg); transform: rotateY(0deg); }.nav-ul a+ul li{ position: relative; left: -40px; opacity: 0; width: 150px; transition: transform 1.5s,opacity 0.8s; }.nav-ul a+ul a{ display: inline-block; width: 75%; background-color: rgba(26,188, 156, 0.75); }.nav-effect-1{ transform: rotateY(90deg) translateX(10px); }.nav-effect-2{ transform: rotateY(120deg) translateX(20px); }.nav-effect-3{ transform: rotateY(150deg) translateX(30px); }.nav-effect-4{ transform: rotateY(180deg) translateX(40px); }.nav-ul a+ul a:hover{ background-color: rgba(69,85, 82, 0.75); }