1.loader {
2  --dim: 5rem;
3  width: var(--dim);
4  height: var(--dim);
5  border: 7px solid #2596be;
6  border-top-color: transparent;
7  border-bottom-color: transparent;
8  border-radius: 50%;
9  animation: spin_51 1.5s infinite linear;
10}
11
12@keyframes spin_51 {
13  from {
14    transform: rotate(0)
15  }
16
17  to {
18    transform: rotate(360deg)
19  }
20}