html, body{
    padding:0;
    margin: 0;
    box-sizing: border-box;
}

body {
    background-color: #f3f3f3;
    display: flex;
    justify-content: center;
}

.container {
    max-width: 1000px;
}

    .container article {
        color: #211a1a;
        font-size: 1.5em;
    }