ant-design/style/components/upload.less

@upload-prefix-cls: ant-upload;
@upload-item: ant-upload-list-item;
@pictrue-card-size: 96px;

.@{upload-prefix-cls} {
  font-size: @font-size-base;

  > span {
    display: block;
    width: 100%;
    outline: none;
  }

  input[type="file"] {
    cursor: pointer;
  }

  &&-select {
    display: inline-block;
  }

  &&-select-picture-card {
    border: 1px dashed @border-color-base;
    width: @pictrue-card-size;
    height: @pictrue-card-size;
    padding: 24px 0;
    border-radius: @border-radius-base;
    background-color: #fbfbfb;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s ease;
    display: inline-block;
    vertical-align: top;
    margin-right: 8px;
    margin-bottom: 8px;

    &:hover {
      border-color: @primary-color;
    }
  }

  &&-drag {
    border: 1px dashed @border-color-base;
    transition: border-color 0.3s ease;
    cursor: pointer;
    border-radius: @border-radius-base;
    text-align: center;
    width: 100%;
    height: 100%;
    position: relative;

    &.@{upload-prefix-cls}-drag-hover {
      border: 2px dashed tint(@primary-color, 20%);
    }

    > span {
      display: table;
      height: 100%;
    }

    .@{upload-prefix-cls}-drag-container {
      display: table-cell;
      vertical-align: middle;
    }

    &:hover {
      border-color: tint(@primary-color, 20%);
    }

    p.@{upload-prefix-cls}-drag-icon {
      .anticon {
        font-size: 80px;
        margin-top: -5px;
        color: tint(@primary-color, 20%);
      }
      height: 60px;
      margin-bottom: 24px;
    }
    p.@{upload-prefix-cls}-text {
      font-size: 14px;
    }
    p.@{upload-prefix-cls}-hint {
      font-size: 12px;
      color: #999;
    }
    .anticon-plus {
      font-size: 30px;
      transition: all 0.3s ease;
      color: #ccc;
      &:hover {
        color: #999;
      }
    }
    &:hover .anticon-plus {
      color: #999;
    }
  }
}

.@{upload-prefix-cls}-list {
  &-item {
    overflow: hidden;
    margin-top: 8px;