<style type="text/css">
  .sidebar-container .simplebar-content form {
    border-bottom: 0;
    margin: 0 20px 24px !important;
  }
  .sidebar-container .simplebar-content form svg {
    left: 6px;
  }

  #storybook-explorer-searchfield {
    background-color: #fff;
    border: 1px solid #c0c0c4;
    border-radius: 4px;
    font-size: 14px;
    height: 34px;
    transition: border 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    padding: 2px 5px 2px 24px;
  }
  #storybook-explorer-searchfield:hover {
    border-color: #82828c;
  }
  #storybook-explorer-searchfield:focus {
    border-color: #82828c;
    box-shadow: 0 0 0 1px #82828c;
  }

  .sidebar-header {
    margin-bottom: 12px;
  }
  .sidebar-subheading {
    color: #2a3b4d !important;
    letter-spacing: 0 !important;
    margin: 0 20px 6px !important;
    text-transform: none !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    line-height: 18px !important;
  }
  .sidebar-item {
    font-size: 14px !important;
    line-height: 18px !important;
    padding-left: 26px !important;
  }
  svg.sidebar-svg-icon {
    display: none !important;
  }
</style>

Adjust the theming of the navigation bar
Adjust the theming of the navigation bar
