header .bandeau:after {
    background: url(../../Images/terrena/design/header-after.svg);
}

header .bandeau:before {
    background: url(../../Images/terrena/design/header-before.svg);
}

nav .logo {
    background: url(../../images/terrena/logo/logo.png) no-repeat center center;
    background-size: 193px 70px;
}