<html>
<style>
/* 四角荧光边框 */
.border1 {
border: 2px solid #02a6b5;
width: 100%;
height: 100%;
position: relative;
margin: auto;
box-sizing: border-box;
}
.border1:before {
content: '';
position: absolute;
width: 88%;
bottom: -2px;
top: -2px;
left: 6%;
border-bottom: 2px solid #0b3146;
border-top: 2px solid #0b3146;
}
.border1:after {
content: '';
position: absolute;
height: 76%;
left: -2px;
right: -2px;
top: 12%;
border-left: 2px solid #0b3146;
border-right: 2px solid #0b3146;
}
/* 内发光边框 */
.border2 {
width: 100%;
height: 100%;
color: white;
padding: 1rem;
box-shadow: 0 0 3rem rgba(100, 200, 255, .5) inset;
background: rgba(0, 0, 0, 0);
box-sizing: border-box;
}
/* 半透明边框 */
.border3 {
height: 100%;
width: 100%;
color: rgba(60, 240, 250, 1);
font-size: 1.5rem;
padding: 1rem;
border-radius: .5rem;
border: 1px solid rgba(0, 180, 220, 0.5);
background: linear-gradient(180deg, rgba(0, 180, 220, 0.3), rgba(0, 180, 220, 0.1), rgba(0, 180, 220, 0.1), rgba(0, 180, 220, 0.3));
box-shadow: 0 0 2rem rgba(0, 180, 220, .1) inset;
box-sizing: border-box;
}
/* 角标边框 */
.border4 {
height: 100%;
width: 100%;
border: 1px solid rgba(22, 78, 137, 1);
background: rgba(13, 35, 61, 1);
position: relative;
box-sizing: border-box;
}
.border4::after {
content: attr(data-corner);
display: block;
position: absolute;
top: 0;
right: 0;
width: 5rem;
padding: 0 1rem;
overflow: hidden;
text-align: right;
color: rgba(255, 255, 255, .9);
background: linear-gradient(45deg, transparent 0%, transparent 30%, rgba(22, 78, 137, 1) 30%, rgba(22, 78, 137, 1) 100%)
}
/* 闪光动画边框 */
.border5 {
position: relative;
z-index: 0;
width: 100%;
height: 100%;
padding: 1em;
border-radius: 10px;
overflow: hidden;
box-sizing: border-box;
}
.border5::after {
box-sizing: border-box;
content: '';
position: absolute;
z-index: -1;
left: 3px;
top: 3px;
width: calc(100% - 6px);
height: calc(100% - 6px);
background: rgb(14, 28, 44);
border-radius: 8px;
}
.border5::before {
box-sizing: border-box;
content: '';
position: absolute;
z-index: -2;
left: -50%;
top: -50%;
width: 200%;
height: 200%;
background-color: transparent;
background-repeat: no-repeat;
background-size: 50% 50%, 50% 50%;
background-position: 0 0, 100% 0, 100% 100%, 0 100%;
background-image:
linear-gradient(#02a6b5, #02a6b5), linear-gradient(transparent, transparent),
linear-gradient(#02a6b5, #02a6b5), linear-gradient(transparent, transparent);
-webkit-animation: border5 10s linear infinite;
animation: border5 10s linear infinite;
}
@-webkit-keyframes border5 {
100% {
-webkit-transform: rotate(1turn);
}
}
@keyframes border5 {
100% {
transform: rotate(1turn);
}
}
</style>
<body style="background-color:#0e1c2c; display: flex;">
<div class="border1" style="width: 300px;height: 300px;margin: 10px;flex:1;">
四角荧光边框
<p style="color: #fff;">四角荧光边框</p>
</div>
<div class="border2" style="width: 300px;height: 300px;margin: 10px;flex:1">
内发光边框
<p style="color: #fff;">内发光边框</p>
</div>
<div class="border3" style="width: 300px;height: 300px;margin: 10px;flex:1">
半透明边框
<p style="color: #fff;">半透明边框</p>
</div>
<div class="border4" data-corner="角标" style="width: 300px;height: 300px;margin: 10px;flex:1">
角标边框
<p style="color: #fff;">角标边框</p>
</div>
<div class="border5" style="width: 300px;height: 300px;margin: 10px;flex:1">
闪光动画边框
<p style="color: #fff;">闪光动画边框</p>
</div>
</body>
</html>
原文：自制展示大屏边框_大屏动态设置边框_Storm_J的博客-CSDN博客
标签：box,background,展示,100%,边框,rgba,大屏,border From： https://www.cnblogs.com/xygsj/p/17264109.html