@media screen and (min-width: 0px) {
    .sys navigation .logo img {
        background-color: transparent;
        border: none;
        margin-left: 20px;
        margin-top: 20px;
        width: 70px;
    }

    .sys .meinLieblingsbackground{
        background: radial-gradient(circle at top left, #5f7687 0%, #293544 70%);
    }
    
   
@media screen and (min-width: 480px){
}

@media screen and (min-width: 840px) {
    .bilderblock.notebook img{
        height: auto;
        top: -230px;
    }
}

@media screen and (min-width: 1240px) {
    .sys navigation .logo img {
        border: none;
        width: 90px;
    }
    
}
@media screen and (min-width: 1440px) {
    
    
}

@media screen and (min-width: 1600px) {
    section.bilderblock {
        height: 900px;
    }

}