.logo{
    max-height: 150px;
    max-width:150px;
    border: 5px solid black;
}
@media only screen and (max-width: 1200px){
    .logo{
        max-height: 100px;
        max-width: 100px;
    }
}
@media only screen and (max-width: 1200px){
    
}