nav {
    font-family: roboto;
    color: white;
}

header {
    background-image: url(./img/foto_caro.jpeg);
    background-size: 400px;
    opacity: 90%;
    background-repeat: no-repeat;
    background-position: left;
    background-color: black;
}
body {
    font-family: roboto;
}