Consolidate footers

www/src/Pages/Collection.elm

@@ -579,16 +579,7 @@ view model =
         ]
         [ searchBar model
         , viewCardBrowser model
-        , E.el
-            [ E.height (E.px 50)
-            , E.width E.fill
-            , E.clipX
-            , E.padding 10
-            , Font.color UI.colors.text
-            , Background.color UI.colors.navBar
-            , E.alignBottom
-            ]
-          <|
+        , UI.footer <|
             case model.collectionStatistics of
                 Just statistics ->
                     E.el [ E.centerY, Font.size 16, Font.italic ] <|

www/src/UI.elm

@@ -307,6 +307,7 @@ footer element =
     E.el
         [ E.height (E.px 50)
         , E.width E.fill
+        , E.clipX
         , E.padding 10
         , Font.color colors.text
         , Background.color colors.navBar