JSFiddle - React, Tailwind, and code Playground

by AliBassam

HTML

<div id="parent">
    <div id="master">
    </div>
    <div id="slave">
    </div>
</div>

CSS

#parent
{
    position:relative;
}
#master
{
    -webkit-border-radius: 100px;
    -moz-border-radius: 100px;
    border-radius: 100px;
    width:70px;
    height:70px;
    border-style:solid;
    border-width:10px;
    border-color:#573;
}
#slave
{
    -webkit-border-radius: 100px;
    -moz-border-radius: 100px;
    border-radius: 100px;
    width:70px;
    height:70px;
    border-style:solid;
    border-width:10px;
    border-color:#99FF33;
    position:absolute;
    top:0px;
    left:0px;
    clip:rect(0px,50px,50px,0px);
}