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

#liuyan_main h1 {
    text-align: center;
}

#liuyan {
    display: inline-block;
    background: url(../images/bg5.png);
    background-size: 100% 100%;
    padding: 50px 200px;
    margin-top: 30px;
    margin-bottom: 50px;

}

#liuyan_main form {
    text-align: left;
    line-height: 30px;
}

.tijiao {
    width: 80px;
    height: 25px;
}