discourse/app/assets/stylesheets/common/admin/settings.scss

// styles for admin/settings

.settings {
  .setting {
    padding-bottom: 20px;
    .setting-label {
      float: left;
      width: 17.6576%;
      margin-right: 12px;
      @media (max-width: $mobile-breakpoint) {
        float: none;
        margin-right: 0;
        width: 100%;
        h3 {
          margin-bottom: 6px;
        }
      }
      .history-icon {
        opacity: 0;
        transition: opacity 0.3s;
        color: var(--primary-medium);
      }
      &:hover .history-icon {
        opacity: 1;
      }
    }
    .setting-value {
      float: left;
      width: 53%;
      padding-right: 20px;
      input[type="checkbox"],
      input[type="radio"] {
        flex: 0 0 auto;
      }
      .category-selector {
        width: 95%;
      }
      @media (max-width: $mobile-breakpoint) {
        width: 100%;
        padding-right: 0;
      }
      .select-kit {
        width: 100% !important; // Needs !important to override hard-coded value
        @media (max-width: $mobile-breakpoint) {
          width: 100% !important; // !important overrides hard-coded mobile width of 68px
        }
      }
      .image-uploader {
        display: flex;
      }
      .uploaded-image-preview {
        background-size: contain;
        background-repeat: no-repeat;
        background-color: var(--primary-medium);
      }
    }
    .setting-controls {
      float: left;
    }
    .input-setting-string,
    .input-setting-textarea {
      width: 100%;
      @media (max-width: $mobile-breakpoint) {
        width: 100%;
      }
    }
    .input-setting-textarea {
      height: 150px;
    }
    .input-setting-list {
      @media (max-width: $mobile-breakpoint) {
        width: 100%;
      }
      padding: 1px;
      background-color: var(--secondary);
      border: 1px solid var(--primary-low);
      border-radius: 3px;
      transition: border linear 0.2s, box-shadow linear 0.2s;
      li.sortable-placeholder {
        @include unselectable;
        padding: 3px 5px 3px 18px;
        margin: 3px 0 3px 5px;
        position: relative;
        line-height: $line-height-small;
        cursor: default;
        border: 1px dashed var(--primary-low-mid);
        border-radius: 3px;
        background-clip: padding-box;
        background-color: transparent;
        width: 3em;
        height: 1em;
      }
    }
    .desc,
    .validation-error {
      padding-top: 3px;
      font-size: $font-down-1;
      line-height: $line-height-large;
    }
    .validation-error {
      color: var(--danger);
    }
    .desc {
      color: var(--primary-medium);
    }
    h3 {
      font-size: $font-0;
      font-weight: normal;
    }

    &.color {
      .color-picker {
        display: flex;
        .picker + .sp-replacer {
          border-left: none;
        }
      }
    }
  }
  .setting.overridden {
    h3 {
      color: var(--highlight-high);
    }
  }
  .setting.overridden.string {
    input[type="text"],
    input[type="password"],
    textarea {
      background-color: var(--highlight-medium);
    }
  }
  .warning {
    color: var(--danger);
  }
}