Home > Article > Web Front-end > Steps to use CSS3 to create a gradually glowing square border
We know that if you use pseudo-elements to implement the code of a gradually glowing border, you will use the two attributes scale and opacity. So today we will implement a CSS3 example of making a gradually glowing square border to help everyone. To better understand CSS3, let’s take a look.
Html code
<div> <img src="http://tva2.sinaimg.cn/crop.0.0.180.180.180/6830a53bjw8f2qo4xzc2zj20500500t0.jpg"/> <div> <p>CSS3 逐渐发光的方格边框</p> <p>CSS3 逐渐发光的方格边框</p> </div> </div> Css代码 .light{ background: #fff; width: 180px; height: 180px; margin: 100px auto; position: relative; text-align: center; color: #333; transform:translate3d(0,0,0); } .light-inner{ padding: 60px 30px 0; pointer-events: none; position: absolute; left: 0; top: 0; bottom: 0; right: 0; text-align: center; transition: background 0.35s; backface-visibility: hidden; } .light-inner:before, .light-inner:after{ display: block; content: ""; position: absolute; left: 30px; top: 30px; right: 30px; bottom: 30px; border: 1px solid #fff; opacity: 0; transition: opacity 0.35s, transform 0.35s; } .light-inner:before{ border-left: 0; border-right: 0; transform:scaleX(0,1); } .light-inner:after{ border-top: 0; border-bottom: 0; transform: scaleY(1,0); } .light:hover .light-inner{ background: #458fd2 } .light:hover .light-inner:before, .light:hover .light-inner:after{ opacity: 1; transform: scale3d(1,1,1); } .light-inner p{ transition: opacity .35s, transform 0.35s; transform: translate3d(0,20px,0); color: #fff; opacity: 0; line-height: 30px; } .light:hover .light-inner p{ transform: translate3d(0,0,0); opacity: 1; }
I believe you have mastered the methods after reading these cases. For more exciting information, please pay attention to other related articles on the php Chinese website!
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