CSS 波浪页脚
示例: ❐ 查看
代码
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>飞雪前端艺术</title>
<style>
* {
padding: 0;
margin: 0;
}
* {
padding: 0;
margin: 0;
}
h1 {
font-weight: 300;
letter-spacing: 2px;
font-size: 48px;
}
p {
font-family: 'Lato', sans-serif;
letter-spacing: 1px;
font-size: 30px;
color: #333333;
}
.header {
position: relative;
text-align: center;
background: linear-gradient(60deg, rgba(84, 58, 183, 1) 0%, rgba(0, 172, 193, 1) 100%);
color: white;
}
.inner-header {
height: 65vh;
width: 100%;
margin: 0;
padding: 0;
}
.flex {
display: flex;
justify-content: center;
align-items: center;
text-align: center;
}
.waves {
position: relative;
width: 100%;
height: 15vh;
margin-bottom: -7px;
min-height: 100px;
max-height: 150px;
}
.content {
position: relative;
height: 20vh;
text-align: center;
background-color: white;
}
.parallax>use {
/* 使use元素执行move-forever动画 */
animation: move-forever 25s cubic-bezier(.55, .5, .45, .5) infinite;
}
.parallax>use:nth-child(1) {
/* 延迟2秒启动动画 */
animation-delay: -2s;
/* 设置动画持续时间为7秒 */
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);
}
}
@media (max-width: 768px) {
.waves {
height: 40px;
min-height: 40px;
}
.content {
height: 30vh;
}
h1 {
font-size: 24px;
}
}
</style>
</head>
<body>
<div class="header">
<div class="inner-header flex"></div>
<div>
<!--
xmlns:SVG命名看见URI
viewBox:定义当前视口(viewbox)中绘制区域的位置大小
preserveeAspectRatio:定义了绘制区域在视口中的对齐方式
shape-rendering:定义了形状的渲染方式(如何呈现头像的锯齿效果)
-->
<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">
<!-- 定义一个defs元素,用于存储各种元素的定义,可以被其他元素引用。
在defs元素中定义了一个名为“gentle-wave”的路径元素,用于描述波浪形状
改路径秒苏联一系列二次贝塞尔曲线的控制点坐标,从而实现了波浪形状 -->
<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>
<!-- 定义一个g元素,用于讲多个图形组合在一期,并应用一些样式
在g元素中使用use元素多次引用了赚钱定义的名为gentle-wave的路径元素
通过设置不同的x,y坐标和填充颜色,实现了波浪形状和渐变效果 -->
<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>
<div class="content flex">
<p>footer</p>
</div>
</body>
</html>