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

// Customise area
.admin-customize {
  h1 {
    margin-bottom: 10px;
    input {
      margin-bottom: 0;
      font-size: $font-down-2;
    }
    .btn-small {
      font-size: $font-down-2;
    }
  }

  .field-error {
    margin-top: 10px;
    margin-bottom: 10px;
    background-color: $quaternary-low;
    padding: 5px;
  }

  .edit-main-nav {
    .nav-pills:after, .nav-pills:before {
      display: inline;
      content: "";
    }
    .show-overidden {
      float: right;
    }
    margin-bottom: 10px;
  }

  .admin-container {
    padding-left: 10px;
    padding-right: 10px;
  }
  .admin-footer {
    margin-top: 20px;
  }
  .color-schemes li {
    .fa {
      margin-right: 6px;
      color: dark-light-choose($primary-medium, $secondary-medium);
    }
  }
  .show-current-style {
    margin-left: 20px;
    float: left;
    width: 70%;
    h2 {
      margin-bottom: 15px;
    }
    h3 {
      margin-bottom: 10px;
      margin-top: 30px;
    }
  }

  .theme.settings {
    .theme-setting {
      padding-bottom: 0;
      padding-top: 18px;
      min-height: 35px;
    }
    .setting-label {
      width: 25%;
      h3 {
        margin-top: 0;
        margin-bottom: .5rem;
      }
    }
  }

  .current-style.maximized {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: z("fullscreen");
    background-color: white;
    width: 100%;
    padding: 0;
    margin: 0;
    .wrapper {
      position: absolute;
      top: 20px;
      bottom: 10px;
      left: 20px;
      right: 20px;
    }
  }

  .nav.nav-pills.fields {
    margin-left: 10px;
  }
  .content-list, .current-style {
    float: left;
  }
  .content-list ul {
    margin-bottom: 10px;
  }
  .current-style {
    width: 100%;

    .admin-container {
      margin: 0;
    }

    .nav.target {
      margin-top: 15px;

      li {
        position: relative;

        a {
          display: flex;
          align-items: center;
          justify-content: space-between;
        }
      }

      .fa {
        margin-left: 8px;
      }

      .d-icon-mobile {
        position: relative;
        top: -3px;
        font-size: $font-up-3;
        max-height: 20px;
      }
    }

    .toggle-maximize {
      position: absolute;
      right: -5px;
    }

    .ace-wrapper {
      position: relative;
      height: 600px;
      width: 100%;
    }

    &.maximized {
      .admin-container {
        position: absolute;
        bottom: 50px;
        top: 80px;
        width: 100%;
      }
      .admin-footer {
        position: absolute;
        bottom: 10px;
      }
      .ace-wrapper {
        height: calc(100% - 200px);
      }
    }

    .ace_editor {
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      bottom: 0;
    }

    .status-actions {
      float: right;
      margin-top: 7px;
      span {
        margin-right: 10px;
      }
    }

    .buttons {
      float: left;
      width: 200px;
      .saving {
        padding: 5px 0 0 0;
        margin-left: 10px;
        width: 80px;
        color: $primary;
      }
    }
  }
  .color-scheme {
    .controls {
      span, button, a {
        margin-right: 10px;
      }
    }
  }
  .colors {
    thead th       { border: none; }
    td.hex         { width: 160px; }
    td.actions     { width: 200px; }
    .hex-input     { width: 80px; margin-bottom: 0; }
    .hex           { text-align: center; }
    .description   { color: dark-light-choose($primary-medium, $secondary-medium); }

    .invalid .hex input {
      background-color: white;
      color: black;
      border-color: $danger;
    }
  }

  .status-message {
    display: block;
    font-size:  $font-down-1;
    margin-top: 8px;
  }

  .removable-list {
    list-style: none;
    margin-left: 0;
    li {
      display: table-row;
      .col:first-child {
        padding-right: 10px;
        padding-bottom: 10px;
        min-width: 80px;
      }
      .col {
        display: table-cell;
      }
    }
  }
}

.add-upload-modal {
  label {
    margin-top: 20px;
  }
}

#custom_emoji {
  width: 27%;
}

.modal-body .inputs .check-private {
  margin-top: 10px;
  label {
    padding-left: 0;
  }
  label input {
    width: auto;
    margin: 3px 0;
  }

  .public-key {
    margin-top: 10px;
    textarea {
      cursor: auto;
      height: 150px;
    }
  }
}