Make emoji in emoji picker larger (#246)

src/sass/components/_emoji_picker.scss

@@ -17,6 +17,9 @@
     .e1 {
         @include mouse-hand;
         margin-bottom: 8px;
+        transform: scale(1.0);
+        margin-right: 4px;
+        margin-bottom: 12px;
     }
 
     label {
@@ -29,8 +32,8 @@
         left: 1px;
         margin-left: -1px;
         .e1 {
-            top: 0;
-            left: 0;
+            top: 3px;
+            left: 3px;
         }
     }