#container {
    background-color: #ccc;
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    color: #000;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 80%;
    max-height: 80%;
    overflow: auto;
    text-align: center;
    padding: 10px;
}