body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: white;
    color: black;
    padding: 20px;
}
h1 {
    color: navy;
}
p {
    color: darkgreen;
}
button {
    background-color: lightblue;
    color: black;
    border: 1px solid navy;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
}
button:hover {
    background-color: skyblue;
}