除CSS Wave动画外，网页上什么也看不到
除CSS Wave动画外，网页上什么也看不到
提问于 2021-07-07 18:23:31
我是网络开发的新手，想使用我找到的这个波浪动画-- https://codepen.io/plavookac/pen/QMwObb
在HTML文件中应用它后，只有CSS动画可见，文本内容和其他内容不可见。我猜它是重叠的CSS动画，但我不确定我应该做什么。
index.html
<head>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<h1>This is Heading</h1>
<p>This is a paragraph</p>
<div class="waveWrapper waveAnimation">
<div class="waveWrapperInner bgTop">
<div class="wave waveTop" style="background-image: url('http://front-end-noobs.com/jecko/img/wave-top.png')"></div>
</div>
<div class="waveWrapperInner bgMiddle">
<div class="wave waveMiddle" style="background-image: url('http://front-end-noobs.com/jecko/img/wave-mid.png')">
</div>
</div>
<div class="waveWrapperInner bgBottom">
<div class="wave waveBottom" style="background-image: url('http://front-end-noobs.com/jecko/img/wave-bot.png')"></div>
</div>
</div>
</body>
</html>styles.css
@keyframes move_wave {
0% {
transform: translateX(0) translateZ(0) scaleY(1)
}
50% {
transform: translateX(-25%) translateZ(0) scaleY(0.55)
}
100% {
transform: translateX(-50%) translateZ(0) scaleY(1)
}
}
.waveWrapper {
overflow: hidden;
position: absolute;
left: 0;
right: 0;
bottom: 0;
top: 0;
margin: auto;
}
.waveWrapperInner {
position: absolute;
width: 100%;
overflow: hidden;
height: 100%;
bottom: -1px;
background-image: linear-gradient(to top, #86377b 20%, #27273c 80%);
}
.bgTop {
z-index: 15;
opacity: 0.5;
}
.bgMiddle {
z-index: 10;
opacity: 0.75;
}
.bgBottom {
z-index: 5;
}
.wave {
position: absolute;
left: 0;
width: 200%;
height: 100%;
background-repeat: repeat no-repeat;
background-position: 0 bottom;
transform-origin: center bottom;
}
.waveTop {
background-size: 50% 100px;
}
.waveAnimation .waveTop {
animation: move-wave 3s;
-webkit-animation: move-wave 3s;
-webkit-animation-delay: 1s;
animation-delay: 1s;
}
.waveMiddle {
background-size: 50% 120px;
}
.waveAnimation .waveMiddle {
animation: move_wave 10s linear infinite;
}
.waveBottom {
background-size: 50% 100px;
}
.waveAnimation .waveBottom {
animation: move_wave 15s linear infinite;
}回答 3
Stack Overflow用户
回答已采纳
发布于 2021-07-07 18:47:45
向.waveWrapper{}添加z-index:-999;
问题的简单解决方案:)
演示->
@keyframes move_wave {
0% {
transform: translateX(0) translateZ(0) scaleY(1)
}
50% {
transform: translateX(-25%) translateZ(0) scaleY(0.55)
}
100% {
transform: translateX(-50%) translateZ(0) scaleY(1)
}
}
.waveWrapper {
overflow: hidden;
position: absolute;
left: 0;
right: 0;
bottom: 0;
top: 0;
margin: auto;
z-index:-999; /* Added Here */
}
.waveWrapperInner {
position: absolute;
width: 100%;
overflow: hidden;
height: 100%;
bottom: -1px;
background-image: linear-gradient(to top, #86377b 20%, #27273c 80%);
}
.bgTop {
z-index: 15;
opacity: 0.5;
}
.bgMiddle {
z-index: 10;
opacity: 0.75;
}
.bgBottom {
z-index: 5;
}
.wave {
position: absolute;
left: 0;
width: 200%;
height: 100%;
background-repeat: repeat no-repeat;
background-position: 0 bottom;
transform-origin: center bottom;
}
.waveTop {
background-size: 50% 100px;
}
.waveAnimation .waveTop {
animation: move-wave 3s;
-webkit-animation: move-wave 3s;
-webkit-animation-delay: 1s;
animation-delay: 1s;
}
.waveMiddle {
background-size: 50% 120px;
}
.waveAnimation .waveMiddle {
animation: move_wave 10s linear infinite;
}
.waveBottom {
background-size: 50% 100px;
}
.waveAnimation .waveBottom {
animation: move_wave 15s linear infinite;
}<head>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<h1>This is Heading</h1>
<p>This is a paragraph</p>
<div class="waveWrapper waveAnimation">
<div class="waveWrapperInner bgTop">
<div class="wave waveTop" style="background-image: url('http://front-end-noobs.com/jecko/img/wave-top.png')"></div>
</div>
<div class="waveWrapperInner bgMiddle">
<div class="wave waveMiddle" style="background-image: url('http://front-end-noobs.com/jecko/img/wave-mid.png')">
</div>
</div>
<div class="waveWrapperInner bgBottom">
<div class="wave waveBottom" style="background-image: url('http://front-end-noobs.com/jecko/img/wave-bot.png')"></div>
</div>
</div>
</body>
</html>
Stack Overflow用户
发布于 2021-07-07 18:44:24
为您提供以下解决方案：
对于文本标记(<h1> & <p>)：
position: relative;
z-index: 999999;Stack Overflow用户
发布于 2021-07-07 18:55:58
CSS z-index指示元素如何相互重叠。在您的例子中，标题和段落没有z索引值，而wave元素有。
因此，通过如下方式为您的h1和p元素提供一个z索引：
h1 {
z-index: 999;
}只要确保z指数大于波的指数即可。将相同的CSS应用于<p>。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/68284224
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