html, body {
    background-color: #f0f0f0;
    width: 70%;
    height: 100%;
    margin-left: 15%;
    margin-right: 15%
}

h1 {
    text-align: center;
    color: blueviolet;
}

p {
    text-align: center;
    color: cadetblue
}

h2 {
    text-align: center;
    color: aqua;
}