html {
    width:100%;
    height:100%;
    background:#32CD32;
}

img {
    position: absolute;
    margin: auto;
    top: -69px;
    right: 0;
    left: 0;
    bottom: 0;
    text-align: center;
    width: 100%;
    max-width: 283px;
}

html, body, #wrapper {
    height:100%;
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
}

#wrapper td {
    vertical-align: middle;
    text-align: center;
}