body{
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #333333;
    background-color: #ffffff;
}
.title{
    width: 300px;
    margin: 20px auto;
}

.chfImg{
    width: 600px;
}

.flow{
    margin: 20px 0;
}