@charset "utf-8";
.mudan { font-size: 1em; color:#202020}
.filezone_btn  { margin:0 10px}
.btn_iview { width:35px; height:35px; display: inline-block; font-size:0; line-height: 20px; vertical-align: middle;  background-image:url("img/btn_view.png"); background-size: contain}
.btn_pdf { width:35px; height:35px;  display: inline-block; font-size:0; line-height: 20px; vertical-align: middle;  background-image:url("img/btn_pdf.png"); background-size: contain}
.no_btn_pdf  { width:35px; height:35px; display: inline-block; font-size:0; line-height: 20px; vertical-align: middle;  background-image:url("img/btn_nofile.png"); background-size: contain}

@media (max-width: 767px) {
    .mudan { font-size: .8em;}
    .filezone_btn  { margin:0 4px}
    .filezone_btn:first-of-type  { margin-left:0}
    .filezone_btn:last-of-type  { margin-right:0}
    .btn_iview, .btn_pdf, .no_btn_pdf  { width:25px; height:25px;}
}