body{
    font-family:Helvetica;
    background:#333;
    font-size:18px;
    line-height:1.8em;
    text-align:center;
    margin:0;
    padding:0;
    color:#eee;
    letter-spacing:.03em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-stroke: 0.45px rgba(255,255,255,.5);
}
body>section{
    max-width:25em;
    min-height:calc(100vh - 5em);
    margin:0 auto;
    padding:1em;
}
h1{
    color:#fff;
    font-size:1.8em;
    font-weight:800;
    text-align:center;
    letter-spacing:.05em;
    margin:0 0 1em 0;
}
p{
    line-height:normal;
    font-weight:100;
    margin:0 0 1em 0
}

img.logo{
    max-height:3em;
    margin:1em 0
}
h1>img.logo{
    max-height:3em;
}
big{font-size:1.3em}
small{font-size:.9em}

p.error{
    margin:.5em 0 0 0;
    padding:1em;
    border-radius:.3em;
    color:#fff;
    -webkit-text-stroke: 0.45px rgba(255,255,255,.8);
    background:#c55;
}

footer{
    display:block;
    padding:1em;
    font-weight:bold;
    font-size:.7em;
}
footer p{
    text-align:center;
}