使用CSS+HTML实现简单的魔幻霓虹灯文字特效
<p>先看效果：</p><p style="text-align: center;"><img src="https://img.jbzj.com/file_images/article/202305/2023050814125971.gif" alt="在这里插入图片描述" /></p>
<p>今天分享简单<strong>但有趣</strong>的CSS创意特效~ 这个效果很简单看一分钟就明白了~ 初学前端的小伙伴们拿来练手是很不错的~</p>
<p>实现过程（完整源码在最后）：</p>
<p><strong>1. 定义h3标签：</strong></p>
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<pre class="brush:xhtml;">
<h3>Aurora Borealis night</h3></pre>
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<p><strong>2. 给个body背景色：</strong></p>
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<pre class="brush:css;">
body{
background-color: rgb(4, 15, 36);
}
</pre>
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<p><strong>3. 设置h3基本样式：</strong></p>
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h3{
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
width: 100%;
text-align: center;
font-size: 3em;
text-transform: uppercase;
letter-spacing: 10px;
color: rgb(4, 15, 36);
-webkit-box-reflect: below 1px linear-gradient(transparent ,rgb(218, 218, 218));
animation: san 6s linear infinite;
}<font face="Tahoma"><span style="white-space: normal;"> </span></font></pre>
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<ul>
<li>position: absolute;</li>
<li>top: 50%;</li>
<li>left: 50%;</li>
<li>transform: translate(-50%,-50%); 居中对齐。先left与top 50%，再偏移自身长度与宽度50%达到居中。</li>
<li>text-align: center; 文字居中。</li>
<li>text-transform: uppercase; 字母变为大写。</li>
<li>letter-spacing: 10px; 每个字符间距离。</li>
<li>-webkit-box-reflect: 倒影效果。</li>
<li>animation: san 6s linear infinite; 定义动画。</li>
</ul>
<p><strong>4.定义动画，就是设置不同时间段显示不同颜色等实现闪烁霓虹灯效果~时间可以自己调自己要的效果：</strong></p>
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@keyframes san{
0%,15%,50%,52%,70%,90%,99.1%{
color: rgb(4, 15, 36);
filter: blur(2px);
}
12%,15.1%,60%,70.1%,90.5%,100%{
color: rgb(255, 255, 255);
text-shadow: 0 0 5px rgb(22, 138, 216),
0 0 25px rgb(22, 138, 216),
0 0 35px rgb(22, 138, 216),
0 0 105px rgb(22, 138, 216),
0 0 155px rgb(22, 138, 216);
filter: blur(0px);
}
}<font face="Tahoma"><span style="white-space: normal;"> </span></font></pre>
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<ul>
<li>filter: blur(2px); 模糊</li>
<li>text-shadow: 0 0 5px rgb(22, 138, 216),</li>
<li>0 0 25px rgb(22, 138, 216),</li>
<li>0 0 35px rgb(22, 138, 216),</li>
<li>0 0 105px rgb(22, 138, 216),</li>
<li>0 0 155px rgb(22, 138, 216);</li>
<li>文字阴影。写多行是为了阴影叠加，效果更亮。</li>
</ul>
<h4>完整源码：</h4>
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<pre class="brush:xhtml;">
<!DOCTYPE html>
<html lang="zh-CN">
<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>Document</title>
<style>
*{
margin: 0;
padding: 0;
box-sizing: border-box;
}
body{
background-color: rgb(4, 15, 36);
}
h3{
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
width: 100%;
text-align: center;
font-size: 3em;
text-transform: uppercase;
letter-spacing: 10px;
color: rgb(4, 15, 36);
-webkit-box-reflect: below 1px linear-gradient(transparent ,rgb(218, 218, 218));
animation: san 6s linear infinite;
}
@keyframes san{
0%,15%,50%,52%,70%,90%,99.1%{
color: rgb(4, 15, 36);
filter: blur(2px);
}
12%,15.1%,60%,70.1%,90.5%,100%{
color: rgb(255, 255, 255);
text-shadow: 0 0 5px rgb(22, 138, 216),
0 0 25px rgb(22, 138, 216),
0 0 35px rgb(22, 138, 216),
0 0 105px rgb(22, 138, 216),
0 0 155px rgb(22, 138, 216);
filter: blur(0px);
}
}
</style>
</head>
<body>
<h3>Aurora Borealis night</h3>
</body>
</html></pre>
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