<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<link href=‘https://fonts.googleapis.com/css?family=Varela‘ rel=‘stylesheet‘ type=‘text/css‘>
<style>
/* latin-ext */
@font-face {
font-family: "Varela";
font-style: normal;
font-weight: 400;
src: local("Varela"), url(https://fonts.gstatic.com/s/varela/v9/DPEtYwqExx0AWHX5DR4ETvw.woff2) format("woff2");
unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
font-family: "Varela";
font-style: normal;
font-weight: 400;
src: local("Varela"), url(https://fonts.gstatic.com/s/varela/v9/DPEtYwqExx0AWHX5Ax4E.woff2) format("woff2");
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
body {
background: black;
font-family: "Varela", sans-serif;
}
.glitch {
color: white;
font-size: 100px;
position: relative;
width: 400px;
margin: 0 auto;
}
@keyframes noise-anim {
0% {
clip: rect(73px, 9999px, 15px, 0);
}
5% {
clip: rect(3px, 9999px, 100px, 0);
}
10% {
clip: rect(93px, 9999px, 80px, 0);
}
15% {
clip: rect(99px, 9999px, 19px, 0);
}
20% {
clip: rect(41px, 9999px, 34px, 0);
}
25% {
clip: rect(82px, 9999px, 54px, 0);
}
30% {
clip: rect(8px, 9999px, 62px, 0);
}
35% {
clip: rect(19px, 9999px, 26px, 0);
}
40% {
clip: rect(82px, 9999px, 50px, 0);
}
45% {
clip: rect(97px, 9999px, 40px, 0);
}
50% {
clip: rect(31px, 9999px, 47px, 0);
}
55% {
clip: rect(34px, 9999px, 34px, 0);
}
60% {
clip: rect(33px, 9999px, 74px, 0);
}
65% {
clip: rect(27px, 9999px, 92px, 0);
}
70% {
clip: rect(59px, 9999px, 100px, 0);
}
75% {
clip: rect(8px, 9999px, 93px, 0);
}
80% {
clip: rect(93px, 9999px, 73px, 0);
}
85% {
clip: rect(100px, 9999px, 13px, 0);
}
90% {
clip: rect(20px, 9999px, 24px, 0);
}
95% {
clip: rect(51px, 9999px, 100px, 0);
}
100% {
clip: rect(57px, 9999px, 7px, 0);
}
}
.glitch:after {
content: attr(data-text);
position: absolute;
left: 2px;
text-shadow: -1px 0 red;
top: 0;
color: white;
background: black;
overflow: hidden;
clip: rect(0, 900px, 0, 0);
animation: noise-anim 2s infinite linear alternate-reverse;
}
@keyframes noise-anim-2 {
0% {
clip: rect(99px, 9999px, 98px, 0);
}
5% {
clip: rect(87px, 9999px, 41px, 0);
}
10% {
clip: rect(33px, 9999px, 40px, 0);
}
15% {
clip: rect(33px, 9999px, 43px, 0);
}
20% {
clip: rect(89px, 9999px, 22px, 0);
}
25% {
clip: rect(12px, 9999px, 73px, 0);
}
30% {
clip: rect(47px, 9999px, 18px, 0);
}
35% {
clip: rect(62px, 9999px, 98px, 0);
}
40% {
clip: rect(30px, 9999px, 94px, 0);
}
45% {
clip: rect(69px, 9999px, 65px, 0);
}
50% {
clip: rect(87px, 9999px, 47px, 0);
}
55% {
clip: rect(12px, 9999px, 3px, 0);
}
60% {
clip: rect(63px, 9999px, 14px, 0);
}
65% {
clip: rect(88px, 9999px, 97px, 0);
}
70% {
clip: rect(15px, 9999px, 23px, 0);
}
75% {
clip: rect(88px, 9999px, 20px, 0);
}
80% {
clip: rect(68px, 9999px, 54px, 0);
}
85% {
clip: rect(58px, 9999px, 66px, 0);
}
90% {
clip: rect(98px, 9999px, 97px, 0);
}
95% {
clip: rect(86px, 9999px, 16px, 0);
}
100% {
clip: rect(79px, 9999px, 77px, 0);
}
}
.glitch:before {
content: attr(data-text);
position: absolute;
left: -2px;
text-shadow: 1px 0 blue;
top: 0;
color: white;
background: black;
overflow: hidden;
clip: rect(0, 900px, 0, 0);
animation: noise-anim-2 3s infinite linear alternate-reverse;
}
</style>
</head>
<body>
<div class="glitch" data-text="GLITCH">GLITCH</div>
</body>
</html>
原文：https://www.cnblogs.com/zihua/p/11134095.html