@media only screen and (max-width : 1200px){
    header{
        padding: 0 20px;
    }
    .banner{
        padding: 0 20px;
    }
    .banner .banner-content h1{
        font-size: 3rem;
    }
    .banner .banner-img1{
        width: 350px;
    }
    .banner .banner-img1 img{
        width: 100%;
    }
    .banner .banner-img2{
        margin-left: 30px;
    }

}