Overleaf/services/web/frontend/stylesheets/app/editor/history-react.less

@versions-list-width: 320px;
@history-toolbar-height: 40px;

history-root {
  height: 100%;
  display: block;
}

.history-react {
  display: flex;
  height: 100%;
  background-color: @history-main-bg;

  .history-header {
    height: @history-toolbar-height;
    background-color: @history-react-header-bg;
    color: @history-react-header-color;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
  }

  .doc-panel {
    flex: 1;
    display: flex;
    flex-direction: column;

    .toolbar-container {
      border-bottom: 1px solid @history-react-separator-color;
      padding: 0 8px;
    }

    .doc-container {
      flex: 1;
      overflow-y: auto;

      .document-diff-container {
        height: 100%;
        display: flex;
        flex-direction: column;

        .cm-editor {
          height: 100%;
        }
      }
    }
  }

  .change-list {
    width: @versions-list-width;
    border-left: 1px solid @history-react-separator-color;
    box-sizing: content-box;

    .toggle-switch-container {
      padding: 0 16px;
    }
  }

  .toggle-switch-label {
    flex: 1;

    span {
      display: block;
    }
  }

  .history-loading-panel {
    padding-top: 10rem;
    font-family: @font-family-serif;
    text-align: center;
  }

  .history-file-entity-operation-badge {
    flex: 0 0 auto;
    text-transform: lowercase;
    margin-left: 0.5em;
    font-size: 0.7em;
    background: @history-file-badge-bg;
    color: @history-file-badge-color;
    border-radius: 8px;
    line-height: 1;
    padding: 2px 4px 3px;
    margin-top: 2px;
  }
}