angutron/src/app/app-menu/app-menu.component.scss

.menu {
  cursor: default;
  user-select: none;
  display: flex;
  position: relative;
  flex-grow: 0;
  flex-shrink: 0;
  flex-direction: column;
  overflow: hidden;
  width: 200px;
  padding: 0;
  background-color: rgba(0, 0, 0, .15);
  height: 100%;
  &.reducted {
    width: 48px;
  }
  svg:hover>path {
    fill: rgba(154, 19, 19, 0.8);
  }
  >a {
    display: flex;
    align-items: center;
    height: 44px;
    color:initial;
    text-decoration: none;
    &:hover {
      background-color: rgba(255, 255, 255, 0.1);
    }
    &.selected {
      background-color: rgba(154, 19, 19, 0.6);
      &:hover {
        background-color: rgba(154, 19, 19, 0.8);
      }
    }
    >span {
      display: flex;
      align-items: center;
      color: rgb(255, 255, 255);
      font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", Arial, sans-serif;
      font-size: 15px;
      letter-spacing: 0.4pt;
      padding: 0px 16px;
      transition: transform 0.1s ease-in 0s;
      user-select: none;
      &:active{
        transition: transform 0s ease-in 0s;
        transform: scale(0.97);
      }
      >i {
        margin-right: 8px;
        height: 44px;
        display: flex;
        align-items: center;
      }
    }
  }
}