.flex-direction-nav a:before {
    font-family: "flexslider-icon";
    font-size: 40px;
    display: inline-block;
    content: '\f001';
    color: rgb(255 255 255 / 100%) !important;
    text-shadow: 0px 0px 5px rgb(0 0 0 / 100%) !important;
}