CSS3实现的多级联动菜单
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>HTML5 CSS3下拉导航菜单</title>
<style>
* {margin: 0;padding: 0;box-sizing: border-box;
}
body {background-color: #1e1e1e;background-size: cover;height: 100vh;font-family: "Raleway", sans-serif;letter-spacing: 1px;
}
h1 {text-align: center;color: #fff;padding-top: 20px;
}
ul {list-style: none;
}
nav {height: 40px;margin: 40px auto;background-color: rgba(23, 23, 50, 0.7);text-align: center;border-radius: 4px;
}
.main {display: flex;justify-content: center;
}
.main > li {margin: 0 2%;
}
.main > li a{border-left:1px solid rgba(23, 23, 50, 1);
}
a {text-decoration: none;color: #ffe;text-transform: capitalize;font-family: monospace;display: block;padding: 10px 15px;font-size: 16px;transition: background-color 0.5s ease-in-out;font-family: "Raleway", sans-serif;
}
a:hover {background-color: #631818;
}
.drop li {opacity: 0;transform-origin: top center;
}
.drop li a {background-color: rgba(23, 23, 50, 0.7);padding: 10px 0;
}
/*------------- menu1 animation -------------------*/
.main li:hover .menu1 li:first-of-type {animation: menu1 0.3s ease-in-out forwards;animation-delay: 0.3s;
}
.main li:hover .menu1 li:nth-of-type(2) {animation: menu1 0.3s ease-in-out forwards;animation-delay: 0.6s;
}
.main li:hover .menu1 li:nth-of-type(3) {animation: menu1 0.3s ease-in-out forwards;animation-delay: 0.9s;
}
.main li:hover .menu1 li:last-of-type {animation: menu1 0.3s ease-in-out forwards;animation-delay: 1.2s;
}
@keyframes menu1 {from {opacity: 0;transform: translateX(30px) rotateY(90deg);}to {opacity: 1;transform: translateX(0) rotateY(0);}
}
/*------------- menu2 animation -------------------*/
.main li:hover .menu2 li:first-of-type {animation: menu2 0.3s ease-in-out forwards;animation-delay: 0.3s;
}
.main li:hover .menu2 li:nth-of-type(2) {animation: menu2 0.3s ease-in-out forwards;animation-delay: 0.6s;
}
.main li:hover .menu2 li:nth-of-type(3) {animation: menu2 0.3s ease-in-out forwards;animation-delay: 0.9s;
}
.main li:hover .menu2 li:last-of-type {animation: menu2 0.3s ease-in-out forwards;animation-delay: 1.2s;
}
@keyframes menu2 {0% {opacity: 0;transform: scale(0.7);}50% {opacity: 0.5;transform: scale(1.1);}100% {opacity: 1;transform: scale(1);}
}
/*------------- menu3 animation -------------------*/
.main li:hover .menu3 li:first-of-type {animation: menu3 0.3s ease-in-out forwards;animation-delay: 0.3s;
}
.main li:hover .menu3 li:nth-of-type(2) {animation: menu3 0.3s ease-in-out forwards;animation-delay: 0.6s;
}
.main li:hover .menu3 li:nth-of-type(3) {animation: menu3 0.3s ease-in-out forwards;animation-delay: 0.9s;
}
.main li:hover .menu3 li:last-of-type {animation: menu3 0.3s ease-in-out forwards;animation-delay: 1.2s;
}
@keyframes menu3 {0% {opacity: 0;transform: translateX(20px);}100% {opacity: 1;transform: translateX(0);}
}
/*------------- menu4 animation -------------------*/
.main li:hover .menu4 li:first-of-type {animation: menu4 0.3s ease-in-out forwards;animation-delay: 0.3s;
}
.main li:hover .menu4 li:nth-of-type(2) {animation: menu4 0.3s ease-in-out forwards;animation-delay: 0.6s;
}
.main li:hover .menu4 li:nth-of-type(3) {animation: menu4 0.3s ease-in-out forwards;animation-delay: 0.9s;
}
.main li:hover .menu4 li:last-of-type {animation: menu4 0.3s ease-in-out forwards;animation-delay: 1.2s;
}
@keyframes menu4 {0% {opacity: 0;transform: translateX(50px) rotate(-90deg);}100% {opacity: 1;transform: translateX(0) rotate(0);}
}
/*------------- menu5 animation -------------------*/
.main li:hover .menu5 li:first-of-type {animation: menu5 0.3s ease-in-out forwards;animation-delay: 0.3s;
}
.main li:hover .menu5 li:nth-of-type(2) {animation: menu5 0.3s ease-in-out forwards;animation-delay: 0.6s;
}
.main li:hover .menu5 li:nth-of-type(3) {animation: menu5 0.3s ease-in-out forwards;animation-delay: 0.9s;
}
.main li:hover .menu5 li:last-of-type {animation: menu5 0.3s ease-in-out forwards;animation-delay: 1.2s;
}
@keyframes menu5 {0% {opacity: 0;transform: rotateX(-90deg);}100% {opacity: 1;transform: rotateX(0);}
}
/*------------- menu6 animation -------------------*/
.main li:hover .menu6 li:first-of-type {animation: menu6 0.3s ease-in-out forwards;animation-delay: 0.2s;
}
.main li:hover .menu6 li:nth-of-type(2) {animation: menu6 0.3s ease-in-out forwards;animation-delay: 0.4s;
}
.main li:hover .menu6 li:nth-of-type(3) {animation: menu6 0.3s ease-in-out forwards;animation-delay: 0.6s;
}
.main li:hover .menu6 li:last-of-type {animation: menu6 0.3s ease-in-out forwards;animation-delay: 0.8s;
}
@keyframes menu6 {0% {opacity: 0;transform: scale(2);}100% {opacity: 1;transform: scale(1);}
}
/* my button style */
.white-mode {text-decoration: none;padding: 7px 10px;background-color: #122;border-radius: 3px;color: #fff;transition: 0.35s ease-in-out;position: absolute;left: 15px;bottom: 15px;font-family: sans-serif;
}
.white-mode:hover {background-color: #fff;color: #122;
}
</style>
</head>
<body>
<h1>多级联动演示</h1>
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