body {
    margin:0 auto;
    background-color: #fff;
}
.container{
    text-align: center;
}

img {
    max-width: 100%;
}

.btn_goto_download {
    
   
    display: flex;
    justify-content: center;
}

#hg_sms_l {
    color: #fff;
    text-decoration: none;
    font-family: 微軟正黑體;
    font-weight: bold;
    font-size: 1.4rem;
    letter-spacing: 1.35pt;
    justify-content: center;
    display: flex;

    height: 87px;
    max-width: 310px;
    background-image: url(../images/btn.png);
    background-repeat: no-repeat;
    position: fixed;
    top: 80%;
    width: 100%;
    align-items: center;

}