CSS3波浪效果展示:
这是使用 SVG 和 CSS 动画制作的波浪效果,上半部分是蓝色(可修改成其他颜色)渐变的背景颜色,下半部分就是波浪,有四条波浪在不停的来回起伏,非常逼真。该波浪效果可用于大部分页面的底部,使页面增加一点活泼的气息。
1.Html构建
代码如下(示例):
<div class="inner_header"> 填充蓝色(可修改成其他颜色)渐变的背景颜色
<div class="waves">这部分就是波浪的svg,有四条波浪在不停的来回起伏,效果非常逼真
<div class="header"> <div class="inner-header flex"> <h1>简单的 CSS3 波浪效果</h1> </div> <div> <svg class="waves" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 24 150 28" preserveAspectRatio="none" shape-rendering="auto"> <defs> <path id="gentle-wave" d="M-160 44c30 0 58-18 88-18s 58 18 88 18 58-18 88-18 58 18 88 18 v44h-352z" /> </defs> <g class="parallax"> <use xlink:href="#gentle-wave" x="48" y="0" fill="rgba(255,255,255,0.7" /> <use xlink:href="#gentle-wave" x="48" y="3" fill="rgba(255,255,255,0.5)" /> <use xlink:href="#gentle-wave" x="48" y="5" fill="rgba(255,255,255,0.3)" /> <use xlink:href="#gentle-wave" x="48" y="7" fill="#fff" /> </g> </svg> </div> </div>
2.CSS编写
代码如下(示例):
这里通过CSS3的animation动画属性来控制四条线条在不停的来回起伏,形成波浪效果
.header { position: relative; text-align: center; background: linear-gradient(60deg, rgba(84, 58, 183, 1) 0%, rgba(0, 172, 193, 1) 100%); /* background: #FFAFBD; background: -webkit-linear-gradient(to right, #ffc3a0, #FFAFBD); background: linear-gradient(to right, #ffc3a0, #FFAFBD); */ color: white; } .inner-header { height: 65vh; width: 100%; margin: 0; padding: 0; } .waves { position: relative; width: 100%; height: 15vh; margin-bottom: -7px; /*Fix for safari gap*/ min-height: 100px; max-height: 150px; } .content { position: relative; height: 20vh; text-align: center; background-color: white; } .content a { margin: 0 5px; font-size: 12px; color: #333; } .content a:hover { color: #000; } /* Animation */ .parallax > use { animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite; } .parallax > use:nth-child(1) { animation-delay: -2s; animation-duration: 7s; } .parallax > use:nth-child(2) { animation-delay: -3s; animation-duration: 10s; } .parallax > use:nth-child(3) { animation-delay: -4s; animation-duration: 13s; } .parallax > use:nth-child(4) { animation-delay: -5s; animation-duration: 20s; } @keyframes move-forever { 0% { transform: translate3d(-90px, 0, 0); } 100% { transform: translate3d(85px, 0, 0); } } /*Shrinking for mobile*/ @media (max-width: 768px) { .waves { height: 40px; min-height: 40px; } .content { height: 30vh; } h1 { font-size: 24px; } }
3.完整代码
index.html文件
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8" /> <title>简单的CSS3波浪效果演示_dowebok</title> <link rel="stylesheet" href="style.css" /> </head> <body> <div class="header"> <div class="inner-header flex"> <h1>简单的 CSS3 波浪效果</h1> </div> <div> <svg class="waves" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 24 150 28" preserveAspectRatio="none" shape-rendering="auto"> <defs> <path id="gentle-wave" d="M-160 44c30 0 58-18 88-18s 58 18 88 18 58-18 88-18 58 18 88 18 v44h-352z" /> </defs> <g class="parallax"> <use xlink:href="#gentle-wave" x="48" y="0" fill="rgba(255,255,255,0.7" /> <use xlink:href="#gentle-wave" x="48" y="3" fill="rgba(255,255,255,0.5)" /> <use xlink:href="#gentle-wave" x="48" y="5" fill="rgba(255,255,255,0.3)" /> <use xlink:href="#gentle-wave" x="48" y="7" fill="#fff" /> </g> </svg> </div> </div> </body> </html>
style.css文件
body { margin: 0; } h1 { font-family: 'Lato', sans-serif; font-weight: 300; letter-spacing: 2px; font-size: 48px; } p { font-family: 'Lato', sans-serif; letter-spacing: 1px; font-size: 14px; color: #333333; } .header { position: relative; text-align: center; background: linear-gradient(60deg, rgba(84, 58, 183, 1) 0%, rgba(0, 172, 193, 1) 100%); /* background: #FFAFBD; background: -webkit-linear-gradient(to right, #ffc3a0, #FFAFBD); background: linear-gradient(to right, #ffc3a0, #FFAFBD); */ color: white; } .logo { width: 50px; fill: white; padding-right: 15px; display: inline-block; vertical-align: middle; } .inner-header { height: 65vh; width: 100%; margin: 0; padding: 0; } .flex { /*Flexbox for containers*/ display: flex; justify-content: center; align-items: center; text-align: center; } .waves { position: relative; width: 100%; height: 15vh; margin-bottom: -7px; /*Fix for safari gap*/ min-height: 100px; max-height: 150px; } .content { position: relative; height: 20vh; text-align: center; background-color: white; } .content a { margin: 0 5px; font-size: 12px; color: #333; } .content a:hover { color: #000; } /* Animation */ .parallax > use { animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite; } .parallax > use:nth-child(1) { animation-delay: -2s; animation-duration: 7s; } .parallax > use:nth-child(2) { animation-delay: -3s; animation-duration: 10s; } .parallax > use:nth-child(3) { animation-delay: -4s; animation-duration: 13s; } .parallax > use:nth-child(4) { animation-delay: -5s; animation-duration: 20s; } @keyframes move-forever { 0% { transform: translate3d(-90px, 0, 0); } 100% { transform: translate3d(85px, 0, 0); } } /*Shrinking for mobile*/ @media (max-width: 768px) { .waves { height: 40px; min-height: 40px; } .content { height: 30vh; } h1 { font-size: 24px; } }
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