.woocommerce-MyAccount-navigation ul li.woocommerce-MyAccount-navigation-link--acfw-store-credits a:before {
    background: url(https://www.recoolhair.com/wp-content/plugins/advanced-coupons-for-woocommerce-free/images/store-credits-icon.svg) no-repeat;
    content: '';
    width: 18px;
    height: 18px;
    margin-top: 5px;
    background-size: contain;
}