redash/client/app/components/ApplicationArea/ApplicationLayout/DesktopNavbar.less

@backgroundColor: #001529;
@dividerColor: rgba(255, 255, 255, 0.5);
@textColor: rgba(255, 255, 255, 0.75);
@brandColor: #ff7964; // Redash logo color
@activeItemColor: @brandColor;
@iconSize: 26px;

.desktop-navbar {
  background: @backgroundColor;
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 80px;
  overflow: hidden;

  &-spacer {
    flex: 1 1 auto;
  }

  &-logo.ant-menu {
    padding-top: 20px;
    padding-bottom: 20px;
    text-align: center;

    img {
      height: 40px;
      transition: all 270ms;
    }
  }

  .help-trigger {
    font: inherit;
  }

  .ant-menu {
    .ant-menu-item,
    .ant-menu-submenu {
      font-weight: 500;
      color: @textColor;

      &.navbar-active-item {
        box-shadow: inset 3px 0 0 @activeItemColor;

        .anticon {
          color: @activeItemColor;
        }
      }

      &.ant-menu-submenu-open,
      &.ant-menu-submenu-active,
      &:hover,
      &:active,
      &:focus,
      &:focus-within {
        color: #fff;
      }

      .anticon {
        font-size: @iconSize;
        margin: 0;
      }

      .desktop-navbar-label {
        margin-top: 4px;
        font-size: 11px;
      }

      a,
      span,
      .anticon {
        color: inherit;
      }
    }

    .ant-menu-submenu-arrow {
      display: none;
    }

    .ant-menu-item,
    .ant-menu-submenu {
      padding: 0;
      height: 60px;
      display: flex;
      align-items: center;
      flex-direction: column;
      justify-content: center;
    }

    .ant-menu-submenu-title {
      width: 100%;
      padding: 0;
    }

    a,
    &.ant-menu-vertical > .ant-menu-submenu > .ant-menu-submenu-title,
    .ant-menu-submenu-title {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      line-height: normal;
      height: auto;
      background: none;
      color: inherit;
    }
  }

  .desktop-navbar-profile-menu {
    .desktop-navbar-profile-menu-title {
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;

      .profile__image_thumb {
        margin: 0;
        vertical-align: middle;
        width: @iconSize;
        height: @iconSize;
      }
    }
  }
}

.desktop-navbar-submenu {
  .ant-menu {
    .ant-menu-item-divider {
      background: @dividerColor;
    }

    .ant-menu-item {
      font-weight: 500;
      color: @textColor;

      &:hover,
      &:active,
      &:focus,
      &:focus-within {
        color: #fff;
      }

      a,
      span,
      .anticon {
        color: inherit;
      }

      .zmdi,
      .fa {
        margin-right: 5px;
      }

      &.version-info {
        height: auto;
        line-height: normal;
        padding-top: 12px;
        padding-bottom: 12px;

        a {
          color: rgba(255, 255, 255, 0.8);

          &:hover,
          &:active,
          &:focus,
          &:focus-within {
            color: rgba(255, 255, 255, 1);
          }
        }
      }
    }
  }
}