@media screen and (max-width: 1200px) {
	.menu_mobile
		{display: block}
	header menu
		{display: none;
		background-color: rgba(0, 0, 0, 0.3);
		width: 100%;
		margin-top: 70px;
		text-align: center;
		z-index: 10}
	header menu li
		{display: block}
	.error h1
		{font-size: 180px}
}