<i class="fa fa-flag" aria-hidden="true"></i> normal<br> <i class="fa fa-flag fa-rotate-90" aria-hidden="true"></i> fa-rotate-90<br> <i class="fa fa-flag fa-rotate-180" aria-hidden="true"></i> fa-rotate-180<br> <i class="fa fa-flag fa-rotate-270" aria-hidden="true"></i> fa-rotate-270<br> <i class="fa fa-flag fa-flip-horizontal" aria-hidden="true"></i> fa-flip-horizontal<br> <i class="fa fa-flag fa-flip-vertical" aria-hidden="true"></i> fa-flip-vertical