How to make my tooltip bold and colored ??

Hii, i need to do these things on my tooltip, plz help

  1. i need to bold it,
  2. make it left align,like i kept the size of my tooltip to width = 300, length = 60 but i want my text to be left align to 200,60
  3. i need to change its color to darkish blue, cant i select color from color pallete instead of writing like dis ?
    guiStyleFore.normal.textColor = Color.blue;

the code is shown below -

i am using this -

guiStyleFore.fontSize = 22;

but its not working

also tried this but neither font nor size working -

i am still hopeful, someone should reply.

plzzz help

no