Hola @svpformats,
Puedes probar con el siguiente código CSS:
input:focus, input[type=text]:focus, input[type=email]:focus, input[type=url]:focus, input[type=password]:focus, input[type=reset]:focus, input[type=search]:focus, textarea:focus, .wp-block-search__input:focus, [data-section=section-header-mobile-trigger] .ast-button-wrap .ast-mobile-menu-trigger-minimal:focus, .ast-mobile-popup-drawer.active .menu-toggle-close:focus, .woocommerce-ordering select.orderby:focus, #ast-scroll-top:focus, .woocommerce a.add_to_cart_button:focus, .woocommerce .button.single_add_to_cart_button:focus, .ast-mobile-popup-drawer .ast-mobile-popup-header .menu-toggle-close:focus {
border-style: none !important;
outline: none !important;
}
Espero haberte ayudado, Saludos
Fantástico!!! Ha desaparecido el problema. Muchísimas gracias Álvaro
Un saludo!!