Simple loading indicator animation

Simple loading indicator animation
A simple one div loading
<div class="loading"></div>
body {
background: #0d8aa5;
}
.loading {
position: absolute;
left: 50%;
top: 50%;
margin: -60px 0 0 -60px;
background: #fff;
width: 100px;
height: 100px;
border-radius: 100%;
border: 10px solid #19bee1;
}
.loading:after {
content: '';
background: trasparent;
width: 140%;
height: 140%;
position: absolute;
border-radius: 100%;
top: -20%;
left: -20%;
opacity: 0.7;
box-shadow: rgba(255, 255, 255, 0.6) -4px -5px 3px -3px;
animation: rotate 2s infinite linear;
}
@keyframes rotate {
0% {
transform: rotateZ(0deg);
}
100% {
transform: rotateZ(360deg);
}
}
codepen
See the Pen A simple one div loading by Burak Can (@neoberg) on CodePen.