@keyframes rotation {
  to {
    -webkit-transform: rotate(1turn);
    transform: rotate(1turn);
  }
}
@-webkit-keyframes rotation {
  to {
    -webkit-transform: rotate(1turn);
    transform: rotate(1turn);
  }
}
section:hover {
  animation: rotation 1s linear infinite;
  -webkit-animation: rotation 1s linear infinite;
}

section {
  margin: auto;
  position: relative;
  width: 160px;
  height: 80px;
  border-color: red;
  border-style: solid;
  border-width: 2px 2px 82px 2px;
  border-radius: 100%;
  background: #eee;
}

section:before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 20px;
  height: 20px;
  border: 30px solid red;
  border-radius: 100%;
  background: #eee;
  content: "";
}

section:after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 30px solid #eee;
  border-radius: 100%;
  background: red;
  content: "";
}