#Logoheader {
    position: absolute;
    top: 5px;
    font-size: 1.2rem;
    color: #009FE3;
    z-index: 2;
}

#Logoheader img {
    height: 6em;
    margin: 2vh 3vw;
}

/* ============================================================
   MOBILE (max-width: 780px)
   ============================================================ */

@media screen and (max-width: 780px) {

    #Logoheader {
        position: absolute;
        top: 5px;
        font-size: 1.2rem;
        color: #009FE3;
    }

    #Logoheader img {
        height: 15vw;
        margin: 2vh;
    }
}