.bg_box{
    background-image: url(../public/img/register_banner.png);
    background-repeat: no-repeat;
    background-color: #ffffff;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
}

#stringCode{
    min-width: 100px;
    width: 75%;
    min-height: 160px;
    max-height: 160px;
    box-sizing: border-box;
    padding: 10px;
    margin: 10px 0px;
    border: 5px solid #7e72b2;
}
#inputCode{
    display: block;
    width: 30%;
    height: 25px;
    line-height: 25px;
    padding: 5px 10px;
    margin: 0 auto;
}
#inputCode:hover,#inputCode:focus{
    color: #bc4554;
}
.send_email{
    width: 200px;
    padding: 12px 27px;
    border: none;
    background: #7e72b2;
    color: #222;
    cursor: pointer;
    margin: 20px 0px;
}

@media only screen and (min-width: 321px) and (max-width: 1200px) {
    #stringCode{
        width: 100%;
    }
}