#nav margin-bottom: 20px ul list-style: none text-align: center .nav_item display: inline-block background: none border: none border-bottom: 3px solid rgba($main-color, 0) border-radius: none +transition(border-color, 200ms) a display: block +size(100% 100%) padding: 5px 14px text-decoration: none color: #fff font-size: 32px font-weight: 600 +transition(color, 200ms) &:hover border-color: rgba($main-color, 1) a color: $main-color