640

HTML代码

<html>
<head>
    <meta charset="utf-8">    <title>【每日一练】01-CSS实现3D菜单效果</title>    
    <link rel="stylesheet" href="https: //cdnjs.cloudflare.com/ajax/libs/font-awesome/6.1.1/css/all.min.css"  />
</head>
<body>
    <ul>
        <li style="--i:8;--clr:#00a6bc;"><a href="https://www.webqdkf.com/"><span><i
                        class="fa fa-caret-right"></i></span> 网站首页</a></li>
        <li style="--i:7;--clr:#0a66c2;"><a href="https://www.webqdkf.com/HTML/"><span><i
                        class="fa fa-caret-right"></i></span>HTML/CSS </a></li>
        <li style="--i:6;--clr:#1da1f2;"><a href="https://www.webqdkf.com/JS/"><span><i
                        class="fa fa-caret-right"></i></span>JavaScript</a></li>
        <li style="--i:5;--clr:#c32aa3;"><a href="https://www.webqdkf.com/tx/"><span><i
                        class="fa fa-caret-right"></i></span> 源码案例</a></li>
        <li style="--i:4;--clr:#d4620b;"><a href="https://www.webqdkf.com/zyk/books/"><span><i
                        class="fa fa-caret-right"></i></span> 电子书</a></li>
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                        class="fa fa-caret-right"></i></span> 在线课程</a></li>
        <li style="--i:2;--clr:#d30aa8;"><a href="http://www.aierweisi.com"><span><i
                        class="fa fa-caret-right"></i></span> 建站主机</a></li>
        <li style="--i:1;--clr:#00a6bc;"><a href="http://www.webqdkf.com/zyk/gjx/"><span><i
                        class="fa fa-caret-right"></i></span> 开发工具</a></li>
    </ul>
</body>
</html>

CSS代码

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Oswald', sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #434750;
    gap: 130px;
}

ul {
    position: relative;
    transform: skewY(-15deg);
}

ul li {
    position: relative;
    list-style: none;
    width: 120px;
    padding: 15px;
    background: #3e3f46;
    z-index: calc(1 * var(--i));
    transition: 0.5s;
}

ul li:hover {
    background: var(--clr);
    transform: translateX(-50px);
}

ul li::before {
    content: '';
    position: absolute;
    top: 0;
    left: -40px;
    width: 40px;
    height: 100%;
    background: #3e3f46;
    filter: brightness(0.7);
    transform-origin: right;
    transform: skewY(45deg);
    transition: 0.5s;
}

ul li:hover::before {
    background: var(--clr);
    filter: brightness(0.7);
}

ul li::after {
    content: '';
    position: absolute;
    top: -40px;
    left: 0px;
    width: 100%;
    height: 40px;
    background: #3e3f46;
    filter: brightness(0.9);
    transform-origin: bottom;
    transform: skewX(45deg);
    transition: 0.5s;
}

ul li:hover::after {
    background: var(--clr);
    filter: brightness(0.9);
}

ul li a {
    text-decoration: none;
    color: #999;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: 0.5s;
}

ul li:hover a {
    color: #fff;
}

ul li:last-child::after {
    box-shadow: -120px 120px 20px rgba(0, 0, 0, 0.25);
}

ul li a span {
    position: absolute;
    top: 0;
    left: -40px;
    width: 40px;
    text-align: center;
    height: 100%;
    transform-origin: right;
    transform: skewY(45deg);
    transition: 0.5s;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25em;
    opacity: 0.5;
}

ul li:hover a span {
    opacity: 1;
}