body {
    background-color: #555555;
}

#container {
    width: 600px;
    min-width: 300px;
    max-width: 95%;
    color: #FFFFFF;
    background-color: #770000;
    margin-left: auto;
    margin-right: auto;
    margin-top:5%;
    font-family:'Constantia', 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 16pt;
    border-radius: 10px;
    text-align: center;
    padding: 20px 10px;
}

#output {
    min-width: 200px;
    min-height: 50px;
    text-align: left;
}