Inverting the colour of the text and background
Following on from Keith’s comment, about difficulty in reading this text, I’ve looked up how to invert the colours via a Google search.
If you are a Google Chrome user, have a look at this forum webpage.
You can add a bookmarklet to your Bookmarks, so as to invert the colours in an instant. To re-set the colour scheme, simply refresh the page. You can also vary the text size by pressing down the Control key and clicking on the + or – buttons on your keyboard, or scrolling with the mouse wheel one way or the other.
To give you an idea of the end result, click on the image below (to see a larger one) …
If you’re a Firefox user, you can download an add-on: “White on Black”, and if you use Internet Explorer or Firefox, I gather that pressing Shift-Alt-Print Sc also works.
Postscript (9 Dec 12) … I’ve changed the colour of the text throughout this blogsite to a lighter grey, using the text editor, which will hopefully make the text easier to read.