.loader {
  background: url('../../content/images/BLogo-40x40.png') 50% 50% no-repeat rgb(249, 249, 249);
  position: fixed;
  top: 46%;
  left: 46%;
  width: 60px;
  height: 60px;
  border: 5px solid #fff;
  border-bottom-color: transparent;
  border-radius: 50%;
  display: inline-block;
  box-sizing: border-box;
  animation: rotation 1s linear infinite;
}

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