weseek__growi/resource/styles/scss/_layout_growi.scss

.growi.main-container {
  .content-main {
    padding: 0;
  }

  .revision-toc {
    &.affix {
      margin-top: 5px;
      top: calc(46px + 5px);
      min-width: calc(#{100/12*2%} - #{$grid-gutter-width});  // width of 2column - padding
    }

    .revision-toc-content {
      padding: 0;
    }
  }
}