实现效果：

html

<nav id="nav-1"> <a class="link-1" href="#">Home</a> <a class="link-1" href="#">About</a> <a class="link-1" href="#">Contact</a> <a class="link-1" href="#">Shop</a></nav><nav id="nav-2"> <a class="link-2" href="#">Home</a> <a class="link-2" href="#">About</a> <a class="link-2" href="#">Contact</a> <a class="link-2" href="#">Shop</a></nav><nav id="nav-3"> <a class="link-3" href="#">Home</a> <a class="link-3" href="#">About</a> <a class="link-3" href="#">Contact</a> <a class="link-3" href="#">Shop</a></nav>

css

@import url(https://fonts.googleapis.com/css?family=Raleway);body { margin: 0px;}nav { margin-top: 40px; padding: 24px; text-align: center; font-family: Raleway; box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);}#nav-1 { background: #3fa46a;}#nav-2 { background: #5175C0;}#nav-3 { background: #EEA200;}.link-1 { transition: 0.3s ease; background: #3fa46a; color: #ffffff; font-size: 20px; text-decoration: none; border-top: 4px solid #3fa46a; border-bottom: 4px solid #3fa46a; padding: 20px 0; margin: 0 20px;}.link-1:hover { border-top: 4px solid #ffffff; border-bottom: 4px solid #ffffff; padding: 6px 0; }.link-2 { transition: 0.6s; color: #ffffff; font-size: 20px; text-decoration: none; border-right: 2px dotted transparent; padding: 30px 8px 0 10px; margin: 0 10px;}.link-2:hover { border-right: 2px dotted #ffffff; padding-bottom: 24px;}.link-3 { transition: 0.4s; color: #ffffff; font-size: 20px; text-decoration: none; padding: 0 10px; margin: 0 10px;}.link-3:hover { background-color: #ffffff; color: #EEA200; padding: 24px 10px;}

以上就是CSS3实现菜单悬停效果的详细内容，更多关于css3 菜单悬停的资料请关注其它相关文章！