framework/less/admin/AdminNav.less

@admin-pane-width: 300px;

.App {
  padding-bottom: 0;
}
.AdminLinkButton-description {
  display: none;
}
.AdminContent {
  padding: 20px 0;
}
.App-content .sideNavOffset {
  margin-top: 0;
}
@media @desktop, @desktop-hd {
  .App-nav {
    position: absolute;
    top: @header-height;
    height: ~"calc(100vh - @{header-height})";
    width: @admin-pane-width;
    .box-shadow(0 6px 6px @shadow-color);
    background: @body-bg;
    border-top: 1px solid @control-bg;
    z-index: @zindex-pane;
    overflow: auto;

    .affix & {
      position: fixed;
      bottom: 0;
      height: auto;
    }
  }
  .App-content .sideNavOffset {
    margin-left: @admin-pane-width;
  }
  .App-nav .AdminNav {
    .Dropdown-menu > li {
      > a {
        padding: 15px 15px 15px 45px;
        display: block;
        text-decoration: none;
        white-space: normal;
      }
      > a, > a:hover, &.active > a {
        color: @muted-color;
      }
      > a:hover {
        background: @control-bg;
      }
      &.active > a {
        background: @control-bg;
        font-weight: normal;

        .Button-label, .Button-icon {
          color: @text-color;
          font-weight: bold;
        }
      }
    }
    .Button-icon {
      float: left;
      margin-left: -30px;
      font-size: 14px;
      margin-top: 4px !important;
    }
    .Button-label {
      display: block;
      font-size: 15px;
      font-weight: normal;
      margin: 0 0 5px;
    }
    .AdminLinkButton-description {
      display: block;
      font-size: 12px;
    }
  }
  .container {
    width: 100%;
    margin: 0;

    .App-content & {
      padding: 0 30px;
    }
    .App-content > & {
      padding: 0;
    }
  }
}