body{
    padding: 10px;
}


.div-main{
    padding: 10px;
    margin: 40px;
    color: black; 
}

p, hgroup{
    color: black;
}


a{
    text-decoration: none;
}


@media screen and (max-width:700px) {
    .div-main{
        margin: 10px;
        margin-top: 30px;
    }
}