body {
    color: #ffffff;
    /* background: #66AA00; */
    background: #66AADD;
    font-family: sans-serif;
    font-size: normal;
    margin: 0;
}

.content {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;  
}

.centered {    
    display: block;
}

.centered > div {
    text-align: center;
}

#logo {
    width: 300px;
    display: block;
    margin: 0 auto;
}