html {
    font-size: 62.5%;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    font-size: 1.4rem;
    background-color: #333;
    color: #EEE;
}

h1 {
    text-align: center;
}

section {
    width: 100%;
    max-width: 1200px;
    margin: auto;
}

article {
    background-color: #444;
    padding: 20px;
    margin-bottom: 10px;
    border-radius: 10px;
}

article h2 {
    font-size: 3rem;
    margin: 0;
}

article p {
    font-size: 2rem;
}

article small {
    font-size: 1.5rem;
}

article button {
    background: none;
    border: 2px solid #FFF;
    font-size: 1.5rem;
    color: #FFF;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
}

article button:hover {
    opacity: 0.7;
}