Using Irfanview
blackgoose.gif

Image--Information
size of image:_____________
size of file:__________
#colors possible:_________
#colors used:________________

Click on pixel shows its location and color.
the outer square frame is what RGB:
(decimal and hexadecimal)________________________
the bluish breast (it's a bird) is what RGB:
(decimal and hexadecimal)________________________

Double the size of the image. Image--Resize
Notice it's blurry, so Image--Sharpen it. (twice?)
#colors used:________________   
 too many, so Image--Decrease color depth--Custom 50
#colors used:________________ 


GIFs have limited number of usable colors (the "palette").
Image--Palette--Edit palette...  edit an unused color to red.
Edit--Show Paint dialog
 select red as the foregraound color, floodfill the outer square frame to red.
 Add a circle and the text BG to the image.

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Use a whole bunch of colors for the foreground and background
of the elements of a copy of your homepage.
Use color names and hex color codes.
Name the file: homepageGarish.html