<div class="ring-dash"></div>
<style>
.ring-dash {
width:96px; height:96px; border-radius:50%;
border:6px dashed #5b8def;
box-shadow: 0 0 20px rgba(91, 141, 239, 0.25);
animation: ring-dash-rotate 1.6s linear infinite; position:relative;
}
.ring-dash::after{
content:''; position:absolute; inset:16px; border-radius:50%;
border:4px solid rgba(154,107,255,.65); border-right-color:transparent;
animation: ring-dash-reverse 1.1s linear infinite;
}
@keyframes ring-dash-rotate{to{transform:rotate(360deg);}}
@keyframes ring-dash-reverse{to{transform:rotate(-360deg);}}
</style>