.ol_footer {
    width: 100%;
    height: 55px;
    position: fixed;
    left: 0;
    bottom: 0;
    z-index: 9999;
}



   .ol_footer .ol_home {display: block;
    width: 50%;
    background: url(../image/ol_home.png) no-repeat center #f7a70c;
    background-size: contain;

}
.ol_footer a.ol_talk {
    width: 50%;
    background: url(../image/ol_talk.gif) no-repeat center #f77811;
    background-size: contain;
}
.ol_footer a{display:block;float:left;width:50%; height: 55px;color:#fff;text-align:center;line-height:55px;font-weight:bold}