vxe-table/styles/export.scss

/**Variable**/

.vxe-export--panel-column > ul {
  list-style-type: none;
  overflow: auto;
  margin: 0;
  padding: 0;
  user-select: none;
  & > li {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
  }
}

.vxe-export--panel {
  & > table {
    width: 100%;
    border: 0;
    table-layout: fixed;
    tr {
      td {
        padding: 0 10px;
        &:nth-child(1) {
          text-align: right;
          width: 30%;
          font-weight: 700;
          padding: 8px 10px;
        }
        &:nth-child(2) {
          width: 70%;
        }
        & > input,
        & > select {
          outline: 0;
          width: 80%;
          padding: 5px 8px;
          color: $vxe-font-color;
          border-radius: 4px;
          border: 1px solid $vxe-input-border-color;
          &:focus {
            border: 1px solid $vxe-primary-color;
          }
        }
        & > input {
          &::placeholder {
            color: $vxe-input-placeholder-color;
          }
        }
      }
    }
  }
  .vxe-export--panel-column {
    width: 80%;
    border: 1px solid $vxe-input-border-color;
    margin: 3px 0;
    border-radius: 4px;
    user-select: none;
    & > ul {
      & > li {
        padding: 0.2em 1em 0.2em 2.25em;
      }
    }
    .vxe-export--panel-column-header {
      background-color: #f8f8f9;
      font-weight: 700;
    }
    .vxe-export--panel-column-body {
      max-height: 208px;
    }
  }
  .vxe-import-selected--file {
    padding-right: 40px;
    position: relative;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    user-select: none;
    & > i {
      display: none;
      position: absolute;
      top: 50%;
      right: 15px;
      transform: translateY(-50%);
      font-size: 16px;
      cursor: pointer;
    }
    &:hover {
      & > i {
        display: block;
      }
      color: $vxe-primary-color;
    }
  }
  .vxe-import-select--file {
    border: 1px dashed $vxe-input-border-color;
    padding: 6px 34px;
    border-radius: 4px;
    user-select: none;
    cursor: pointer;
    &:hover {
      color: $vxe-primary-color;
      border-color: $vxe-primary-color;
    }
  }
  .vxe-export--panel-btns {
    text-align: right;
    margin-top: 0.25em;
  }
}

.vxe-export--panel-column-option {
  position: relative;
  .vxe-checkbox--icon {
    &:before {
      content: "";
      position: absolute;
      height: 1em;
      width: 1em;
      top: 0.4em;
      left: 0.6em;
      border-radius: $vxe-checkbox-border-radius;
      border: $vxe-checkbox-border-width solid $vxe-input-border-color;
    }
  }
  &.is--checked,
  &.is--indeterminate {
    color: $vxe-primary-color;
    .vxe-checkbox--icon {
      &:before {
        border-color: $vxe-primary-color;
        background-color: $vxe-primary-color;
      }
      &:after {
        content: "";
        position: absolute;
      }
    }
  }
  &.is--checked {
    .vxe-checkbox--icon {
      &:after {
        height: 0.64em;
        width: 0.32em;
        top: 0.5em;
        left: 0.95em;
        border: 2px solid #ffffff;
        border-left: 0;
        border-top: 0;
        transform: rotate(45deg);
      }
    }
  }
  &.is--indeterminate {
    .vxe-checkbox--icon {
      &:after {
        top: 0.8em;
        left: 0.6em;
        height: 0.18em;
        width: 1em;
        background-color: #ffffff;
        transform: scale(.6);
      }
    }
  }
  &:not(.is--disabled) {
    &:hover {
      .vxe-checkbox--icon {
        &:before {
          border-color: $vxe-primary-color;
        }
      }
    }
  }
  &.is--disabled {
    cursor: not-allowed;
    color: $vxe-input-disabled-color;
    &.is--checked {
      .vxe-checkbox--icon {
        &:before {
          border-color: $vxe-input-disabled-color;
          background-color: $vxe-input-disabled-background-color;
        }
        &:after {
          border-color: $vxe-input-disabled-color;
        }
      }
    }
  }
  &:hover {
    background-color: $vxe-table-row-hover-background-color;
  }
}

.vxe-modal--wrapper {
  .vxe-export--panel-column-option {
    & > .vxe-checkbox--icon {
      font-size: $vxe-checkbox-font-size-default;
    }
  }
  &.size--medium {
    .vxe-export--panel-column-option {
      & > .vxe-checkbox--icon {
        font-size: $vxe-checkbox-font-size-medium;
      }
    }
  }
  &.size--small {
    .vxe-export--panel-column-option {
      & > .vxe-checkbox--icon {
        font-size: $vxe-checkbox-font-size-small;
      }
    }
  }
  &.size--mini {
    .vxe-export--panel-column-option {
      & > .vxe-checkbox--icon {
        font-size: $vxe-checkbox-font-size-mini;
      }
    }
  }
}