Revert "editor needs to stand out a bit more" (#3612)

* Revert "v5.1.18 banner artwork"

This reverts commit 70500140b9.

* Revert "Revert #3607 and #3608"

This reverts commit 87b3e470c2.

* Revert "Fix default global keyboard shortcuts for Mac"

This reverts commit e466f62e7e.

* Revert "Comment plugin: Improve styles"

This reverts commit e17456e3bc.

* Revert "Style tweaks for framed editor + preview (#3608)"

This reverts commit c058378da0.

* Revert "Change to natural counting in range[N] operator (#3609)"

This reverts commit b9df224f99.

* Revert "Update release note contributors list"

This reverts commit 0f3912ba95.

* Revert "Make editor-preview not hide text-editor shadow (#3607)"

This reverts commit 11f02dc362.

* Revert "Editor needs to stand out a bit more (#3606)"

This reverts commit d711ef25ed.

themes/tiddlywiki/snowwhite/base.tid

@@ -51,7 +51,7 @@ textarea.tc-edit-texteditor {
 }
 
 .tc-tiddler-frame.tc-tiddler-edit-frame iframe.tc-edit-texteditor {
-	<<box-shadow "1px 1px 5px rgba(0, 0, 0, 0.5)">>
+	<<box-shadow "1px 1px 5px rgba(0, 0, 0, 0.3)">>
 }
 
 canvas.tc-edit-bitmapeditor  {