.@{prefix}{
  &toast{
    position: fixed;
    top:50%;
    left:50%;
    background: rgba(0, 0, 0, 0.7);
    padding: 0.5*@padding-vertical @padding-horizon;
    border-radius: 3*@radius;
    color:#fff;
    text-align: center;
    transform: translate(-50%, -50%);
    z-index: 1002;

    i{
      font-size: 2*@font-size-lg;
      line-height: 1em;
      display: block;
    }
  }
}