Iam using Opera Browser and I cant change the size and color of fonts lIke we do in IE.How can I do

In IE we can change size and color of Fonts but this option is not available in Opera. I have tried my best but could not find these options. Please if any body knows advise me.In IE there are a lot of other options also, like grammer check,and speling check but I could not find these in Opera.

Iam using Opera Browser and I cant change the size and color of fonts lIke we do in IE.How can I do it?www.microsoft.com

i don't know