ul.flex-direction-nav{ position: absolute; top: 30%; z-index: 999; width: 100%; left: 0; margin: 0; padding: 0px; list-style: none; } 
li.flex-nav-prev {float: left;}
li.flex-nav-next {float: right;}
a.flex-prev, a.flex-next {visibility:hidden;}
a.flex-next::after{ visibility:visible; content: '\f054'; font-family: 'Font Awesome 5 Free'; margin-right: 10px; font-size: 20px; font-weight: bold; }
a.flex-prev::before{ visibility:visible; content: '\f053'; font-family: 'Font Awesome 5 Free'; margin-left: 10px; font-size: 20px; font-weight: bold; }
ul.flex-direction-nav li a{ color: black; text-decoration: none; }