.loading
  display inline-block
  transition-timing-function cubic-bezier(0.1, 0.57, 0.1, 1)
  transition-duration 0ms
  transform translateZ(0)

  .loading-icon
    width .13rem
    height .13rem
    border-radius 50%
    display inline-block
    vertical-align middle
    background-color #2a2a31
    opacity .3
    animation mag-loading-ani 750ms
    animation-timing-function linear
    animation-iteration-count infinite

@keyframes mag-loading-ani {
  from {
    opacity .3
    transform rotateY(0deg)
  }
  40% {
    transform rotateY(90deg)
  }
  50% {
    opacity .6
    transform rotateY(180deg)
  }
  60% {
    transform rotateY(270deg)
  }
  to {
    opacity .3
    transform rotateY(360deg)
  }
}