CSS3实现逐渐发光的方格边框实例

="light">

<pclass="light">

<imgsrc="http://tva2.sinaimg.cn/crop.0.0.180.180.180/6830a53bjw8f2qo4xzc2zj20500500t0.jpg"/>

<pclass="light-inner">

<p>前端开发博客</p>

<p>关注前端开发</p>

</p>

</p>

.light{

background:#fff;

width:180px;

height:180px;

margin:100pxauto;

position:relative;

text-align:center;

color:#333;

transform:translate3d(0,0,0);

}

.light-inner{

padding:60px30px0;

pointer-events:none;

position:absolute;

left:0;

top:0;

bottom:0;

right:0;

text-align:center;

transition: background0.35s;

backface-visibility:hidden;

}

.light-inner:before, .light-inner:after{

display:block;

content:"";

position:absolute;

left:30px;

top:30px;

right:30px;

bottom:30px;

border:1pxsolid#fff;

opacity:0;

transition: opacity0.35s, transform0.35s;

}

.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, transform0.35s;

transform: translate3d(0,20px,0);

color:#fff;

opacity:0;

line-height:30px;

}

.light:hover .light-inner p{

transform: translate3d(0,0,0);

opacity:1;

}