react-tetris/src/containers/loader.less

.load{

  @-webkit-keyframes loads{
    0%,80%,100%{
      box-shadow:0 0 #efcc19;
      height:4em}
    40%{
      box-shadow:0 -2em #efcc19;
      height:5em
    }
  }

  @keyframes loads{
    0%,80%,100%{
      box-shadow:0 0 #efcc19;
      height:4em
    }
    40%{
      box-shadow:0 -2em #efcc19;
      height:5em
    }
  }

  width:240px;
  height:240px;
  float:left;
  position:relative;
  color:#fff;
  text-align:center;
  position:absolute;
  top:50%;
  left:50%;
  margin:-120px 0 0 -120px;
  p{
    position:absolute;
    bottom:0;
    left:-25%;
    width:150%;
    white-space:nowrap;
    display:none;
  }
  .loader{
    &,&:before,&:after{
      background:#efcc19;
      -webkit-animation:loads 1s infinite ease-in-out;
      animation:loads 1s infinite ease-in-out;
      width:1em;
      height:4em
    }
    &:before,&:after{
      position:absolute;top:0;content:''
    }
    &:before{
      left:-1.5em;
      -webkit-animation-delay:-0.32s;
      animation-delay:-0.32s
    }
    text-indent:-9999em;
    margin:8em auto;
    position:relative;
    font-size:11px;
    -webkit-animation-delay:-0.16s;
    animation-delay:-0.16s;
    &:after{
      left:1.5em
    }
  }
}