.wp-block-navigation__responsive-container-open:before {
	content: "Menü";
	text-transform: uppercase;
	font-size: 0.7rem;
    line-height: .7rem;
			-webkit-writing-mode: vertical-rl;
			    -ms-writing-mode: tb-rl;
			        writing-mode: vertical-rl;
					-webkit-transform: scale(-1);
					    -ms-transform: scale(-1);
					        transform: scale(-1);
}

.header-nav.wp-block-navigation {
    padding: 0.5rem;
    border-radius: 0.5rem;

    /* change svg size */
    .wp-block-navigation__responsive-container-close svg, .wp-block-navigation__responsive-container-open svg {
        width: 32px;
        height: 32px;
    }
}