Contrast Changer

Contrast changer is an extension to change the contrast of the webpage currently viewing to modes like "Invert" or Grayscale".Useful for reading webpages easily without eye strain and for focusing only on content. FEATURES:--------------* Has two modes "Inverted color" and "Grayscale mode"* Saves the preference of each site* Has option to clear the preference easily.* Unwanted background images are hidden and made to focus on content.* Future versions can include custom colors. NOTE:--------------Please "restart" Opera or refresh the tabs currently opened after the Installation for the first time.