#loader {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: 120px;
  height: 120px;
  margin: -60px 0 0 -60px;
  border: 15px solid #000000;
  border-radius: 50%;
  border-top: 15px solid #F2F2F2;
  width: 90px;
  height: 90px;
  -webkit-animation: spin 1s linear infinite;
  animation: spin 1s linear infinite;
}

@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}