#titeldiv {
     background-size: cover;
     background-repeat: no-repeat;
     height: 100vh;
     
}
#fotobg {
    background-image: url(../photo/PhilFoto.jpg);
    background-position: left;
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 95vh;    
}
#text-div{
    margin-left: 45%;
    max-width: 500px;
}
#fotoklein{
    display: none;
}

@media screen and (max-width: 720px) {
    #fotobg{
        background-image: none;
    }
    #text-div{
        margin-left: auto;
    }
    #fotoklein{
        display: block;
        width: 100%;
        margin-top: 1rem;
    }
    #text-div{
        background-color: rgb(255, 236, 212);
    }
}