main{
    margin: 40px 9%;
    }

main img{
    width:100%;
    padding-top: 18px;
    }

@media only screen and (max-width: 600px) {
    main{
        margin: 20px 0%;
        }
    
    main img{
        width:100%;
        padding-top: 12px;
        }

}

@media only screen and (min-width: 601px) and (max-width:768px) {
    main{
        margin: 20px 0%;
        }
    
    main img{
        width:100%;
        padding-top: 12px;
        }

}

@media only screen and (min-width: 769px)  and (max-width:992px) {
    main{
        margin: 20px 0%;
        }
    
    main img{
        width:100%;
        padding-top: 12px;
        }

}