body {
    font-family: arial;
    background-color: #e7ebef;
    line-height: 1.5;
}

.wide-content {
    max-width: 50em;
    background: white;
    border-radius: 10px;
    padding: 1em;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

A[href] {
    color: blue;
    text-decoration: none;
}

h2 {
    margin-top: 0;
}

h1 {
    margin-top: 0;
}