body {
    font-family: Arial, sans-serif;
    background-color: whitesmoke;
    color: darkslategray;
    text-align: center;
    margin: 0;
    padding: 0;
}



h1 {
    margin-top: 120px;
    font-size: 50px;
    color: darkblue;
}



p {
    width: 60%;
    margin: 30px auto;
    font-size: 18px;
    line-height: 1.6;
}



a {
    text-decoration: none;
}



.button {
    background-color: darkblue;
    color: white;
    border: none;
    padding: 12px 25px;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
    margin-left: 10px;
}


.button:hover {
    background-color: darkblue;
}


 /* responsiveness */

@media screen and (max-width: 900px) {

    h1 {
        margin-top: 100px;
        font-size: 45px;
    }


    p {
        width: 75%;
        font-size: 17px;
    }


    .button {
        padding: 12px 22px;
    }

}



@media screen and (max-width: 600px) {

    h1 {
        margin-top: 70px;
        font-size: 38px;
    }


    p {
        width: 85%;
        font-size: 16px;
        line-height: 1.5;
    }


    .button {
        display: block;
        margin: 20px auto;
        width: 80%;
        max-width: 250px;
        font-size: 15px;
    }

}



@media screen and (max-width: 350px) {

    h1 {
        font-size: 32px;
    }


    p {
        width: 90%;
        font-size: 14px;
    }


    .button {
        width: 90%;
    }

}