🚧 Use PageTransition as a div and switch

- use a page classed div for PageTransition which avoids to make global style for the page
- fix the loading spinner that was too short and would come and go before arriving on the page, now fades out when changing page as pageLoading is defined on the PageTransition afterUpdate

src/style/pages/_subscribe.scss

@@ -22,12 +22,13 @@
 
     // Past Issues
     &__issues {
-        margin: 64px auto 0;
+        margin: 64px auto 96px;
         padding: 0 20px;
 
         @include bp (sm) {
             max-width: 800px;
             margin-top: 0;
+            margin-bottom: 156px;
         }
 
         // Title
@@ -62,13 +63,4 @@
             }
         }
     }
-}
-
-// Globe
-:global(.subscribe .globe) {
-    margin-top: 96px;
-
-    @include bp (sm) {
-        margin-top: 156px;
-    }
 }