diff --git a/galleryscript.js b/galleryscript.js
index cd017d6..807b7e2 100644
--- a/galleryscript.js
+++ b/galleryscript.js
@@ -1000,6 +1000,7 @@ function showbigimage(i) {
             $('#imagesingle').css('width','auto');
             $('#imagesingle').css('height',height);
         }
+        $('#imagesingle').css('background-image','url("_tn/tn_'+encodeURIComponent(imagelist[i])+'.jpg")');
     }
     $('#imagecontainer').css('height',height);
     
diff --git a/gallerystyle.css b/gallerystyle.css
index 0af7350..34a3378 100644
--- a/gallerystyle.css
+++ b/gallerystyle.css
@@ -189,6 +189,8 @@ margin-left: auto;
 margin-right: auto;
 padding-left: 0px;
 padding-right: 0px;
+background-size: contain;
+background-repeat: no-repeat;
 }
 #imagebig {
     text-align: center;