three-dots/less/_dot-windmill.less

CSS loading animation made by single element.

/**
 * ==============================================
 * Dot Windmill
 * ==============================================
 */

@r: 15px;
@originX: 5px;
@originY: 5px + @r;

.dot-windmill {
  .dot;

  animation: dotWindmill 2s infinite linear;
  position: relative;
  top: -@r;
  transform-origin: @originX @originY;

  &::before,
  &::after {
    .dot;

    content: "";
    //display: inline-block;
    position: absolute;
    top: 0;
  }

  &::before {
    left: -(@r/2*1.732);
    top: @r + @r/2;
  }

  &::after {
    left: @r/2*1.732;
    top: @r + @r/2;
  }
}

@keyframes dotWindmill {
  0% { transform: rotateZ(0deg) translate3d(0, 0, 0); }
  100% { transform: rotateZ(720deg) translate3d(0, 0, 0); }
}