<!-- HTML -->
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Simple CSS Waves</title>
<style>
@import url(//fonts.googleapis.com/css?family=Lato:300:400);
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%
);
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;
}
/* 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;
}
}
</style>
</head>
<body>
<!--Hey! This is the original version of Simple CSS Waves-->
<div class="header">
<!--Content before waves-->
<div class="inner-header flex">
<h1>Wave! Wave! Waves!</h1>
</div>
<!--Waves Container-->
<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>
<!--Waves end-->
</div>
<!--Header ends-->
<!--Content starts-->
<div class="content flex">
<p>For Dockerfile Chapter 1</p>
</div>
<!--Content ends-->
</body>
</html>
