.#{$thumb} {
  --thumb-radius: #{size(map.get($conf_thumb, 'radius'))};
  --thumb-size: #{size(map.get($conf_thumb, 'size'))};
  --thumb-font-size: #{size(map.get($conf_thumb, 'font-size'))};
  --thumb-font-color: #{map.get($conf_thumb, 'font-color')};
  --thumb-border-color: #{map.get($conf_thumb, 'border-color')};
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--thumb-size);
  height: var(--thumb-size);
  flex-shrink: 0;
  flex-grow: 0;
  background-color: var(--thumb-bg-color);
  border-radius: var(--thumb-radius);
  img {
    display: block;
    max-width: 100%;
    width: 100%;
    height: 100%;
    object-fit: unset;
    border-radius: inherit;
  }

  > span {
    white-space: nowrap;
    line-height: 1;
    font-size: var(--thumb-font-size);
    color: var(--thumb-font-color);
  }

  &.full {
    width: 100%;
    height: 100%;
    display: flex;
    img {
      object-fit: unset;
    }
  }

  &.round {
    border-radius: size(50%);
    img {
      border-radius: inherit;
    }
  }

  &.bordered {
    box-sizing: content-box;
    border: size(2px) solid var(--thumb-border-color);

    &:hover {
      z-index: 1;
    }
  }

  .fill {
    object-fit: fill;
  }

  .contain {
    object-fit: contain;
  }

  .cover {
    object-fit: cover;
  }

  .scale-down {
    object-fit: scale-down;
  }

  .thumb-inner {
    vertical-align: top;
    
  }

  .thumb-inner-center {
    position: relative;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    display: block;
  }

  .thumb-error {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: var(--font-md);
    color: var(--text-secondary);
  }

  .thumb-placeholder {
    position: absolute;
  }

  .thumb-preview {
    cursor: pointer;
  }
}