.mid_txt{font-size:42px;font-weight:700;color:#dedfe7;position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%,-80%);transform:translate(-50%,-80%);letter-spacing:10px}#home_page{background:url(../image/bk.3cb6084d.png) no-repeat;background-size:100% 100%;width:100%;height:100%;position:relative}