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| <body>
<a href="#">button</a>
<a href="#">button</a>
<a href="#">button</a>
</body>
|
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| html,
body {
width: 100%;
height: 100%;
background-color: #000;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
a {
text-decoration: none;
font-size: 20px;
margin: 20px;
padding: 10px 20px;
text-transform: uppercase;
transition: 0.5s;
position: relative;
color: #21ebff;
overflow: hidden;
}
a:hover::before {
width: 100%;
height: 100%;
transition-delay: 0s;
}
a:hover::after {
width: 100%;
height: 100%;
transition-delay: 0s;
}
a::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 10px;
height: 10px;
border-top: 1px solid #21ebff;
border-left: 1px solid #21ebff;
transition: 0.5s;
transition-delay: 0.5s;
}
a::after {
content: '';
position: absolute;
bottom: 0;
right: 0;
width: 10px;
height: 10px;
border-right: 1px solid #21ebff;
border-bottom: 1px solid #21ebff;
transition: 0.5s;
transition-delay: 0.5s;
}
a:hover {
background: #21ebff;
color: #000;
box-shadow: 0 0 50px #21ebff;
transition-delay: 0.5s;
}
a:nth-child(1) {
filter: hue-rotate(115deg);
}
a:nth-child(3) {
filter: hue-rotate(270deg);
}
|
tips:
filter:hue-rotate() 色调旋转滤镜 单位支持deg（0~360deg）以及其他css单位 。好处是省代码，不用重复设置border，color和bg的颜色，不兼容IE,Edge13+支持，其他浏览器支持