body {
    background-color: #FFFFFF;
    margin-top: 100px;
    margin-left: 250px;
    margin-right: 250px;
    margin-bottom: 200px;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #333333;
}

img {
    width: 100%;
}




@media (max-width: 768px) {
    body {
        margin-left: 15px !important;
        margin-right: 15px !important;
        margin-top: 30px !important;
        margin-bottom: 200px !important;
    }
}