Hello,

Please add this code to the Theme Settings > Custom CSS > Global:

body .fa-long-arrow-alt-right:before {
  content: "";
  width:60px; 
	height:10px;
	background-image:url(https://www.urthapparel.com/wp-content/uploads/2020/09/arrow-right-white.png);
	background-position:center right;
	background-size:contain; 
	display:block;
	background-repeat: no-repeat;
}

Best Regards