.picture-uploader{
  position:relative;
  img {
    display:block;
  }
  input[type=file]{
    opacity: 0;
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    cursor:pointer;
  }
  .progress{
    margin-top:$component-span;
  }
  .progress.progress-hide{
    margin-top:0;
  }
}

.picture-uploader-list{
  .picture-uploader{
    display:inline-block;
    margin-right:$component-span;
    margin-bottom: $component-span;
    border:$border-width solid $border-color;
    background-color: $background-color;
    width:calc((100% - 3rem)/4);
    text-align: center;
    &:nth-child(4n){
      margin-right:0rem;
    }
    img {
      display:inline-block;
    }
  }
}