JSFiddle - React, Tailwind, and code Playground

by liuyl

HTML

<div class="outer">
    <div class="inner">
    </div>
    <div class="curve">
        <div class="curveinner">
            
        </div>
    </div>
</div>

CSS

.outer{
    position: relative;
    width: 100px;
    height: 100px;
    background-color: rgba(0, 100, 200, 0.5);
    border-radius: 50%;
}
.curve{
    position: absolute;
    width: 50%;
    height: 50%;
    top: 0;
    left: 0;
    border-top-left-radius: 100%;
    background: linear-gradient(to right top, transparent, transparent 40%, rgba(0, 100, 200, 1) 41%, rgba(0, 100, 200, 1));
    -webkit-animation-name: roll;
    -webkit-animation-duration: 1.5s;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-timing-function: linear;
    -webkit-transform-origin: 100% 100%;
    z-index: 2;
}
@-webkit-keyframes roll{
    from{
        -webkit-transform: rotate(0deg);
    }
    to{
        -webkit-transform: rotate(360deg);
    }
}
.inner{
    width: 80px;
    height: 80px;
    background-color: white;
    position: relative;
    top: 10px;
    left: 10px;
    border-radius: 50%;
    z-index: 3;
}