#m_login_page{width:100%;height:100vh;overflow:hidden;position:relative;background:url(../image/phone_bk.feb2801a.png) no-repeat;background-size:100% 100%;font-size:15px}#m_login_page .m_mid{width:320px;height:auto;position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%,-80%);transform:translate(-50%,-80%);text-align:center}#m_login_page .m_mid .input_box{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:#fff;margin-bottom:10px}#m_login_page .m_mid .input_box span{width:60px;text-align:right}#m_login_page .m_mid .m_btn{font-size:15px;margin-top:20px}#m_login_page .m_mid>img{width:70%;height:auto;margin-bottom:40px}