Improve the banner in the static renderings

It was being overlapped by the tiddlers

editions/tw5.com/tiddlers/system/StaticBanner.tid

@@ -1,3 +1,3 @@
 title: $:/StaticBanner
 
-<div class="tw-alert">This page is part of a static HTML representation of the TiddlyWiki at http://five.tiddlywiki.com/</div>
+<div class="tw-static-alert">This page is part of a static HTML representation of the ~TiddlyWiki at http://five.tiddlywiki.com/</div>

themes/tiddlywiki/snowwhite/base.tid

@@ -837,6 +837,11 @@ canvas.tw-edit-bitmapeditor  {
 	background-color: rgb(250, 210, 50);
 }
 
+.tw-static-alert {
+	padding: 0em 0.2em 0.2em 3em;
+	color: #AAA;
+}
+
 /*
 ** Grids
 */