diff --git a/app/modules/anpdf/anpdf2.phtml b/app/modules/anpdf/anpdf2.phtml
index f6c4b1d..a68cefa 100644
--- a/app/modules/anpdf/anpdf2.phtml
+++ b/app/modules/anpdf/anpdf2.phtml
@@ -101,10 +101,10 @@ _tmr.push({id: "1069168", type: "pageView", start: (new Date()).getTime()});
       <?endif?>
     </ul>
     <ul id="pdf-nav" style="font-size: 1.1em;width: 100%;font-weight:bold;display: flex;justify-content: center;padding:0px;">
-       <li id="buttom-zoomin" onclick="pdfzoomin()" style="list-style-type:none;float: left;border: 3px solid #2c2e35;border-radius: 28px;padding: 2px 10px;font-size: 1.3em;display: flex;align-items: center;">
+       <li id="buttom-zoomin" onclick="pdfzoomin()" style="list-style-type:none;float: left;border: 3px solid #2c2e35;border-radius: 28px;padding: 2px 10px;font-size: 1.6em;width:15px;display: flex;align-items: center;">
           <span style="color:#2c2e35; text-decoration: none;">+</span>
        </li>
-       <li id="buttom-zoomout" onclick="pdfzoomout()" style="list-style-type:none;float: left;border: 3px solid #2c2e35;border-radius: 28px;padding: 2px 10px;font-size: 1.3em;display: flex;align-items: center;">
+       <li id="buttom-zoomout" onclick="pdfzoomout()" style="list-style-type:none;float: left;border: 3px solid #2c2e35;border-radius: 28px;padding: 2px 10px;font-size: 1.6em;width:15px;display: flex;align-items: center;">
           <span style="color:#2c2e35; text-decoration: none;">-</span>
        </li>
     </ul>