How to create multi-color border with CSS?
Solution 1:
You can do it without pseudo-elements, just with border-image: linear-gradient
.fancy-border {
width: 150px;
height: 150px;
text-align:center;
border-top: 5px solid;
border-image: linear-gradient(to right, grey 25%, yellow 25%, yellow 50%,red 50%, red 75%, teal 75%) 5;
}<div class="fancy-border">
my content
</div>Solution 2:
You can do it with :after or :before psuedo element and css linear-gradient as shown below:
body {
background: #ccc;
}
.box {
text-align: center;
position: relative;
line-height: 100px;
background: #fff;
height: 100px;
width: 300px;
}
.box:after {
background: linear-gradient(to right, #bcbcbc 25%,#ffcd02 25%, #ffcd02 50%, #e84f47 50%, #e84f47 75%, #65c1ac 75%);
position: absolute;
content: '';
height: 4px;
right: 0;
left: 0;
top: 0;
}<div class="box">Div</div>