body,html {
    height:100%;
}

body {
    margin:0;
    background-image:url(parchment.png);
}

.insult {
    margin: 0;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 50%;
    margin-right: -50%;
    font-family: 'Brush Script MT', cursive;
    font-size: 3.0em;
}