body{background-image: url(img/fond_solo.jpg); background-size: cover; background-position: top center;}
div.containerLogo{position: absolute; top: 25%; left: 50%; transform: translate(-50%, -50%);}
div.logo{width: 450px; height: 200px; background-image: url(img/logo.svg); background-position: center center; background-size: contain; background-repeat: no-repeat;}