html, body {
    margin:0;
    padding:0;
}

body {
    width: 100%;
    font-size: 16px;
    color: white;
    text-align: center;
}

.background {
    position:fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("assets/background_errors.jpg");
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

header, main, footer {
    position: relative;
    max-width: 600px;
    box-sizing: border-box;
    padding: 10px 0;
}

header {
    margin: 100px auto 10px auto;
}

main {
    margin: 0 auto 10px auto;
}

footer {
    margin: 0 auto 50px auto;
    font-size: .8rem;
}

h1 {
    margin: 0;
    padding: 0;
    font-weight: bold;
    font-size: 1.2rem;
}