<style>
@keyframes rotate1 {
0% {
transform: rotate(0deg)
}
100% {
transform: rotate(360deg)
}
}
.test1 {
50px;
height: 50px;
border- 5px;
border-radius: 50%;
border-style: solid;
border-color: lightblue lightblue lightblue transparent;
animation: rotate1 1s infinite linear;
}
</style>
<div class="test1"></div>