@media only screen and (max-width: 768px) {
    .qr5{
        padding:0;
    }
    .qr6 {
        width: 92%;
    }
    .qr6 a{
        padding:10px;
    }
    .sld1 {
        height: 40vh;
    }  
    .sld2 {
        height: 40vh;
    }
}