Predefinição:Grupo de teste 4/style.css

.header_image {
	display: flex;
	flex-wrap:wrap;
	justify-content: center;
	padding: 3em;
	background-color: #3366cc;
}

.header_image img { max-width: 100%; height: auto; }

.header_image figure { margin: 0; }

.header_menu {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: space-between;
	text-align: center;
	font-family: "Montserrat", "sans serif";
	padding: 0.5em 0;
	gap: 0.4em;
}

.header_menu a {
	flex: 1;
	padding: 2em 0;
	transition: all 500ms ease;
	border-bottom: 0.8em solid #3366cc;
	text-decoration: none;
	font-size: 115%;
	font-weight: bold;
	color: #000000;
	background-color: #F7F7F7;
}

.header_menu .active-menu-item + a {
	background-color: #FFFFFF;
	transition: none;
	border-bottom: 0.8em solid #3366cc;
	color: inherit;
}

.header_menu a:hover {
	background-color: gainsboro;
	border-bottom: 0.8em solid #3366cc;
	text-decoration: none;
	color: #000000;
}

.header_menu .active-menu-item + a:hover {
	background-color: gainsboro;
}

@media screen and (max-width: 600px) {
	.header_menu a {
		padding: 0.5em !important;
	}
}