body {
    background-color: #0072C6;
    margin: 0;
    font-family: "Verdana";
    font-size: x-large;
    color: rgb(212, 230, 245);
}

#borderDemo {
    border-radius: 20px;
    width: 200px;
    height: auto;
    margin: 20px auto;
    padding: 10px;
    position: relative;
    background-color: #378cc9;
}

#container {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}