html {
    box-sizing: border-box;
    font-size: 16px;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body, h1, h2, h3, h4, h5, h6, p, ol, ul {
    margin: 0;
    padding: 0;
    font-weight: normal;
}

ol, ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

body {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    font-family: "PT Sans", sans-serif;
}

body > article {
    margin: 0 auto;
    max-width: 1440px;
    width: 100%;
    flex-grow: 1;
    padding: 20px;
}

body > header, body > footer {
    min-height: 120px;
    padding: 20px;
    text-align: center;
}

body > header {
    font-size: 32px;
    font-weight: bold;
    text-transform: uppercase;
}

h1 {
    font-weight: bold;
    text-align: center;
    line-height: 32px;
    font-size: 28px;
    max-width: 640px;
    margin: 0 auto 20px;
}

h2, h3, h4 {
    margin-top: 40px;
    margin-bottom: 10px;
}

p {
    margin-top: 10px 0 20px;
}

span.date {
    display: block;
    text-align: center;
    margin-bottom: 40px;
}