JSFiddle - React, Tailwind, and code Playground

HTML

Lorem ipsum dolor sit amen
<hr>

CSS

hr{
    border: 0;
    outline: 0;
    height: 1px;
    background: red;
    background: -moz-linear-gradient(left,  rgba(30,87,153,0.1) 0%, rgba(255,48,48,1) 50%, rgba(125,185,232,0.01) 100%);
background: -webkit-gradient(linear, left top, right top, color-stop(0%,rgba(30,87,153,0.1)), color-stop(50%,rgba(255,48,48,1)), color-stop(100%,rgba(125,185,232,0.01)));
background: -webkit-linear-gradient(left,  rgba(30,87,153,0.1) 0%,rgba(255,48,48,1) 50%,rgba(125,185,232,0.01) 100%);
background: -o-linear-gradient(left,  rgba(30,87,153,0.1) 0%,rgba(255,48,48,1) 50%,rgba(125,185,232,0.01) 100%);
background: -ms-linear-gradient(left,  rgba(30,87,153,0.1) 0%,rgba(255,48,48,1) 50%,rgba(125,185,232,0.01) 100%);
background: linear-gradient(to right,  rgba(30,87,153,0.1) 0%,rgba(255,48,48,1) 50%,rgba(125,185,232,0.01) 100%);
}