discourse/app/assets/stylesheets/common/base/cat_reorder.scss

.reorder-categories {
  input {
    width: 4em;
  }
  .th-pos {
    width: calc(4em + 150px);
  }
  tbody tr {
    background-color: transparent;
    transition: background 0s ease;
    &.highlighted {
      background-color: rgba($highlight, 0.4);
      &.done {
        background-color: transparent;
        transition-duration: 1s;
      }
    }
    &:first-child td {
      padding-top: 7px;
    }
  }
  tbody {
    border-bottom: 1px solid blend-primary-secondary(50%);
  }
  table {
    padding-bottom: 150px;
  }
}
.category-admin-menu ul {
  width: 320px;
}