body
{
margin: 0;
padding: 0;
}
.circle
{
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
width: 150px;
height: 150px;
border: 5px solid #fff;
box-shadow: 0 0 0 5px #4973ff;
border-radius: 50%;
overflow: hidden;
}
.wave
{
position: relative;
width: 100%;
height: 100%;
background: #4973ff;
border-radius: 50%;
box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}
.wave:before,
.wave:after
{
content: '';
position: absolute;
width: 200%;
height: 200%;
top: 0;
left: 50%;
transform: translate(-50%,-75%);
