tab/app/assets/stylesheets/menu.scss

$background-color: #f3f3f3;
$border-color: #cfcfcf;
$color: #777;

.menu {
  width: 100%;
  height: 70px;
  background: $background-color;
  border-bottom: 1px solid $border-color;

  .menu-item {
    display: inline-block;
    vertical-align: middle;
    height: 100%;
    padding: 20px;
    color: $color;
    font-size: 1.875rem;
    line-height: 1.4;
    font-weight: 300;

    &:hover {
      text-decoration: none;
    }
  }

  .menu-heading {
    font-weight: bold;
    font-size: 20px;
  }

  .menu-list {
    display: inline-block;
    border-left: 1px solid $border-color;
    height: 100%;
    margin: 0;
    padding: 0;

    &.menu-right {
      float: right;

      .menu-item {
        &.menu-item-signout:hover {
          background-color: red;
          color: white;
        }

        &:last-child {
          border-right: 0;
        }
      }
    }

    .menu-item {
      border-right: 1px dotted $border-color;

      .badge {
        display: inline-block;
        min-width: 10px;
        padding: 3px 7px;
        font-size: 12px;
        font-weight: bold;
        color: white;
        line-height: 1;
        vertical-align: baseline;
        white-space: nowrap;
        text-align: center;
        background-color: $color;
        border-radius: 10px;
      }
    }
  }
}