hubl/src/styles/menu.scss

// #navbar{}
// #navbar-router{}

#navbar {
  background-color: $color-purple-dark;
  color: $color-white;
  // max-width: 16rem;
  // position: relative;
  // min-height: 100%;
  transition: flex-basis 0.5s ease-in-out;
  display: flex;
  flex-grow: 0;
  flex-shrink: 0;
  flex-basis: 16em;
  overflow: hidden;
  flex-direction: column;
  font-size: 16px;

  &.open {
    transform: translateX(0);
  }
  //@include border-shadow(right);
}
@include media('width<phone') {
  #button-toggle {
    display: block;
  }

  #navbar {
    //transform: translateX(-120%);
    transition: flex-basis 0.5s ease-in-out;
    flex-basis: 0;
    //position: absolute;
    //top: auto;
    //display: none;
    //z-index: 1;
  }
}

sib-router {
  display: flex;
  flex-direction: column;

  .menu-wrapper {
    &.is-closed {
      .sub-menu {
        display: none;
      }
      .menu-chevron {
        transform: rotate(180deg);
      }
    }
  }

  .divider {
    height: 1px;
    background-color: $color-grey-light3;
  }

  .sub-menu {
    padding-left: 1.8em;
    div{
      color: $color-grey-mid;
      padding-bottom: 0.7em;
      font-size: 15px;
      cursor: pointer;
    }
  }

  .menu {
    display: flex;
    flex-direction: row-reverse;
    padding: 1em;
    // border-top: 1px solid #ddd;
    // &:last-child {
    //   border-bottom: 1px solid #ddd;
    // }
    cursor: pointer;
    font-weight: bold;

    &[active] {
      background-color: $color-yellow-light;
      color: $color-purple-dark;

      .menu-icon:before {
        background-color: $color-purple-dark;
        color: $color-white;
        // transform: perspective(1000px) translateZ(1px) scale(0.8);
      }

      .menu-notification > div {
        background-color: $color-purple-dark;
        color: $color-yellow-light;
        font-size: 12px;
      }
    }

    .menu-icon {
      //flex-basis: 2em;
      width: 4em;
      flex-shrink: 0;
      flex-grow: 0;
      justify-content: center;
      align-items: center;
      display: flex;
      flex-direction: column;
      font-size: 11px;

      &:before {
        width: 1.9em;
        height: 1.9em;
        line-height: 1.9em;
        font-size: 1.6em;
        border-radius: 100%;
        // transform: perspective(1000px) translateZ(1px) scale(1);
        // will-change: transform;
        // transition: all 0.3s ease, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.4);
      }
    }

    .menu-chevron {
      width: 2em;
      flex-shrink: 0;
      flex-grow: 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;

      > div {
        color: $color-grey-mid;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 11px;
      }
    }

    .menu-label {
      //flex-basis: 8em;
      width: 8em;
      flex-shrink: 0;
      flex-grow: 1;
      justify-content: center;
      display: flex;
      flex-direction: column;
      text-transform: uppercase;
      font-weight: 600;
      letter-spacing: 0.17px;
      font-size: 16px;
    }
/*
    .menu-notification {
      //flex-basis: 3em;
      width: 2em;
      flex-shrink: 0;
      flex-grow: 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;

      > div {
        color: $color-black;
        display: flex;
        justify-content: center;
        align-items: center;
        width: 1.7em;
        height: 1.7em;
        border-radius: 100%;
        background-color: $color-yellow-light;
        font-size: 12px;
      }
    }
*/
    &[id-prefix] {
      display: none;
    }

    > sib-display {
      display: block;
      font-size: 0.9em;
      color: #aaa;

      > div {
        margin-bottom: 1.5em;

        > sib-display {
          cursor: pointer;
          display: block;
          padding: 0.5em 2em;
        }
      }
    }
  }
}