#main {
    width: 100%;
    text-align: center;
}

#container {
    margin-left: auto;
    margin-right: auto;
    margin-top: 50px;
    width: 500px;
    height: 550px;
}

#title {
    width: 100%;
    text-align: center;
    font-size: 16px;
    height: 30px;
}