correct observatories display width

webgeodyn/www/view/observatories.html

@@ -15,7 +15,7 @@
         </div>
       </div>
     </div>
-    <div class="_flex" style="width: 60rem; height: 50rem; position: relative; margin: 0 2rem 0 0!important; padding:0.5rem;">
+    <div class="_flex" style="width: 48rem; height: 50rem; position: relative; margin: 0 2rem 0 0!important; padding:0.5rem;">
       <div class="_flexcontainer _column obsplotcontainer" style="width:100%; height:100%;">
         <div class="_flex" id="obsplotdiv_r" data-tooltip="drag to Zoom, shift+drag to Pan" data-position="left center" style="height:32%; padding:0; position:relative; margin:0!important;"></div>
         <div class="_flex" id="obsplotdiv_th" data-tooltip="drag to Zoom, shift+drag to Pan" data-position="left center" style="height:32%; padding:0; position:relative; margin:0!important;"></div>