header
{
	text-align: center;
	/*padding-top: 5px;*/
	/*padding-bottom: 10px;*/
	background-size: cover; /* largeur du bloc_page  */
	background-position: center;
}
#nav_zone
{
	/*margin: auto;*/
	/*max-width: 1200px;*/
	display: flex;
	/*align-items: center;*/ /* conflit possible avec .social align-self */
	justify-content: center;
}
.nav_button{
	display: none;
}

.background_button
{
	max-height: 24px;
}
.header_additional_inputs
{
	display: flex;
	flex-wrap: wrap;
	justify-content: space-evenly;
	align-items: center;
	margin-top: 10px;
}
.header_content
{
	margin-top: 10px;
	padding-bottom: 20px;
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	align-items: end;
}
/*.header_left_col
{}*/

.header_center_col
{
	background-color: #ffffff7f;
	border-radius: 10px;
	padding: 1px; /* pour que les marges de h1 et h2 ne mordent pas le bloc parent */
}
header h1
{
	font-size: x-large;
	margin: 10px;
}
header h2
{
	font-size: medium; /* défaut = x-large */
	margin: 10px;
}
@media screen and (max-width: 1000px){
	header h1, header h2
	{
		margin: 8px;
	}
}
header img
{
	vertical-align: bottom; /* supprime espace sous l'image */
	max-width: 180px;
	max-height: 100px;
}
header a
{
	color: unset; /* ne plus hériter */
	text-decoration: none;
}
/*.header_right_col
{}*/
#header_social
{
	display: flex;
	justify-content: center;
}
#header_social_content
{
	display: flex;
	gap: 4px;
	flex-wrap: wrap;
}
#header_social_content img
{
	width: 28px;
	
}
#header_social_content a img
{
	width: 28px;
	background-color: #ffffffb3;
	border-radius: 50%;
}
#header_social_content .action_icon
{
	width: 24px;
}
#header_social_content img:hover
{
	background-color: yellow;
}
#header_social_input
{
	background-color: #ffffff7f;
	border-radius: 10px;
	padding: 5px;
}

@media screen and (max-width: 1000px){
	.header_content
	{
		padding: 15px 0;
	}
	header img
	{
		max-width: 160px;
	}
}
@media screen and (max-width: 800px){
	.header_content
	{
		grid-template-columns: 2fr 1fr; /* on vire la colonne de gauche et on permet au deux autres de "se pousser" si besoin */
		padding: 10px;
	}
	.header_left_col
	{
		display: none;
	}
}
@media screen and (max-width: 600px){
	.header_content
	{
		display: block;
	}
}