html {
    background: #F0F0F8;
}

body {
    overflow-x: hidden;
    position: absolute;
    left: 0;
    right: 0;
    min-height: 100%;
    display: flex;
    justify-content: center;
}

h1,
h2,
p {
    margin: 0.5rem 0;
}

article {
    position: relative;
    padding: 0 1rem;
    width: 60rem;
    background: #FFF;
}

/* Show shadows on the left and right sides. Adapted from: https://stackoverflow.com/a/17323375/87399 */
article:before {
    box-shadow: inset -1rem 0 1rem -1rem rgba(0, 0, 0, 0.25);
    content: " ";
    height: 100%;
    left: -1rem;
    position: absolute;
    top: 0;
    width: 1rem;
}

article:after {
    box-shadow: inset 1rem 0 1rem -1rem rgba(0, 0, 0, 0.25);
    content: " ";
    height: 100%;
    position: absolute;
    right: -1rem;
    top: 0;
    width: 1rem;
}

.lead {
    font-size: 125%;
    font-style: italic;
    opacity: 0.6;
}