add padding to datepicker

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ibt2",
-  "version": "1.2.2",
+  "version": "1.2.3",
   "description": "I'll be there, 2: an oversimplified application to register attendees at a conference or event",
   "author": "Davide Alberani <da@erlug.linux.it>",
   "license": "Apache-2.0",

src/App.vue

@@ -248,7 +248,7 @@ export default {
     }
 }
 
-.datepicker {
+.vdp-datepicker {
     padding: 10px;
 }