change width from columns in discovery page

bwreg-webapp/src/main/webapp/resources/css/std-ext.css

@@ -13,7 +13,8 @@ label.ui-helper-hidden {
 }
 
 .col-width-1 {
-	width: 200px;
+	min-width: 30%;
+	max-width: 200px;
 }
 
 .col-width-2 {