open-vault/ui/app/styles/components/sidebar.scss

.is-sidebar {
  border-right: $base-border;
  display: flex;
  flex: 1;
  margin: 0.75rem 0.75rem 0.75rem 0;
  padding: 0 0 0 0.75rem;

  @include until($tablet) {
    background-color: $white;
    bottom: 0;
    left: -1.5rem;
    margin: 0;
    max-width: 300px;
    padding-left: 0;
    position: absolute;
    right: $size-2;
    transform: translateX(-100%);
    transition: transform $speed;
    top: -3rem;
    z-index: 5;
  }

  &.is-active {
    @include until($tablet) {
      transform: translateX(0);
    }
  }

  .menu-toggle {
    color: $blue;
    cursor: pointer;
    display: none;

    @include until($tablet) {
      display: block;
      margin-left: $size-8;
      position: absolute;
      top: 4.2rem;
      left: 100%;
    }

    .button {
      min-width: 0;
    }
  }

  .menu {
    flex: 1;
    padding-top: 5.25rem;
    position: relative;

    @include until($tablet) {
      padding-top: $size-6;
    }
  }

  .menu-label {
    color: $grey-light;
    font-weight: $font-weight-semibold;
    font-size: $size-small;
    line-height: 1;
    margin-bottom: $size-8;
    padding-left: $size-5;
  }

  .menu-list {
    border-top: $base-border;
    padding: $size-9 0;

    a {
      color: $grey-dark;
      padding-left: $size-5;
      transition: 250ms border-width;

      &.is-active {
        border-right: 4px solid $blue;
      }
    }

    .tag {
      @include from($fullhd) {
        float: right;
      }
    }
  }
}