diff --git a/css/style.css b/css/style.css
index 95d9005..5b79b69 100644
--- a/css/style.css
+++ b/css/style.css
@@ -535,7 +535,7 @@ ul {list-style: none;}
 
 .div-extract {
 	width: 800px;
-	margin-left: 20px;
+	margin-left: 40px;
 	text-align: left;
 	color: #000;
 	overflow: auto;
diff --git a/js/main.js b/js/main.js
index 287343d..6ba3225 100644
--- a/js/main.js
+++ b/js/main.js
@@ -1,5 +1,5 @@
 
-var VERSION = '0.1.13';
+var VERSION = '0.1.14';
 
 var qr_version = 1;
 var qr_pixel_size = 15;
@@ -1829,12 +1829,14 @@ $(document).ready(function(){
 			}
 
 			//Shortcut key : -
-			else if(e.keyCode == 173){
+			else if(e.keyCode == 173 || e.keyCode == 109 || e.keyCode == 189){
+				e.preventDefault();
 				$("#btn-size-min").trigger("click");
 			}
 
 			//Shortcut key : =
-			else if(e.keyCode == 61){
+			else if(e.keyCode == 61 || e.keyCode == 187){
+				e.preventDefault();
 				$("#btn-size-plus").trigger("click");
 			}