How to achieve wave effect with pure CSS3? (code example)-CSS Tutorial-php.cn

How to achieve wave effect with pure CSS3? This article will introduce to you how to use SVG and CSS animation to create wave effects. I hope it will be helpful to you!

How to achieve wave effect with pure CSS3? (code example)

## With the continuous development and advancement of front-end technology, the style requirements and aesthetics of interface interaction are getting higher and higher. CSS3 animations are added to many web page interactions. Here The author shares with you a CSS3 wave effect that must be mastered in front-end development. Learn it quickly and add it to the bottom of the web page you develop to add a lively atmosphere to the page ~ [Recommended learning:

css video tutorial]

CSS3 wave effect

## This is a wave effect created using SVG and CSS animation , the upper part is a blue (can be modified to other colors) gradient background color, and the lower part is waves. There are four waves that are constantly undulating back and forth, very realistic. This wave effect can be used at the bottom of most pages to add a bit of liveliness to the page. .

1.Html construction

The code is as follows (example):

Fill blue (can be modified to other colors) gradient background color

This part is the svg of the wave. There are four waves that are undulating back and forth. The effect is very realistic

 
		<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>

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2. CSS writing The code is as follows (example):

Here, the

animation

animation property of CSS3 is used to control the four lines to fluctuate back and forth, forming a wave effect

 
 .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;
    }
}

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3. Complete code

index.html file

<!DOCTYPE html>
<html>
<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>
<div class="inner-header flex">
<h1>简单的 CSS3 波浪效果</h1>
</div>

<div>
<svg 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>
<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>

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style.css file

body {
    margin: 0;
}
 
h1 {
    font-family: &#39;Lato&#39;, sans-serif;
    font-weight: 300;
    letter-spacing: 2px;
    font-size: 48px;
}
p {
    font-family: &#39;Lato&#39;, 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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