ui/src/components/SideNav/index.scss

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#sideNav {
  .nav-wrap {
    position: sticky;
    width: auto;
    top: 62px;
    box-sizing: border-box;
    max-height: calc(100vh - 62px);
    overflow-y: auto;
    margin-bottom: 8px;
  }
  .nav {
    max-width: calc(100% - 24px);
  }
  .nav-link {
    color: var(--an-side-nav-link);
  }
  .nav-link:focus-visible {
    box-shadow: none;
  }
  .nav-link:hover {
    color: var(--an-side-nav-link-hover-color);
    background-color: var(--bs-gray-100);
  }
  .nav-link.active {
    color: var(--an-side-nav-link-hover-color);
    background-color: var(--bs-gray-200);
  }
  .side-nav-right-line {
    position: absolute;
    top: 0;
    right: 12px;
    width: 1px;
    height: 100%;
    background-color: var(--bs-border-color);
  }
}

@media screen and (max-width: 991.9px) {
  #sideNav {
    .nav-wrap {
      max-height: fit-content;
    }
    .nav {
      max-width: 100%;
    }
    .side-nav-right-line {
      display: none;
    }
  }
}