Base styles for a BS nav menu that serve as a decent starting point.

base-menu-styles.less

.header{ margin-top: 25px;
	nav { .container; padding-left: 0; margin-bottom: 0px;
		a { color: #3d6c97; font-size: 18px; line-height:28px; font-weight: bold; }
		li{
			&:hover > a { background-color: #f1f1f1; }
			&.menu-item-has-children { 
				& > a:after { font-family: 'FontAwesome'; content:"\f107"; margin-left: 10px; }
			 }
			 &.current-menu-item, &.current_page_parent { background-color: #f1f1f1;  
				a { color: white; }
			}
		}
	}
}