header {
	position: relative;
	#top {
		width: 100%;
		height: 20px;
	    background: $color_bleu;
	}
	#logo {
		margin: 45px auto 0 auto;
		text-align: center;
	}
	#alerte {
		position: absolute;
		width: 100%;
		top: 0;
		left: 0;
		padding: 10px 0;
	    background: $color_bleu;
		color: #fff;
		a {
			color: #fff;
		}
		.page-wrapper {
			display: flex;
			justify-content: space-between;
			.close {
				width: 60px;
				display: block;
				text-align: right;
				font-size: 18px;
				cursor: pointer;
			}
		}
	}
}