.container-header {
    position: relative;
  	padding: 10px 0;
    z-index: 10;
    margin-bottom: 20px;
	box-shadow: 0 5px 5px rgba(0, 0, 0, 0.03) inset;
	background: #9b352a;  /* code généré par https://cssgradient.io */
	background: linear-gradient(90deg, rgba(155, 53, 42, 1) 0%, rgba(87, 199, 133, 1) 50%, rgba(237, 221, 83, 1) 100%);  /* code généré par https://cssgradient.io */
}
.container-header .navbar-brand {margin: auto;}