I want to make my own layout :(

I want to make my own layout and I know how to scam html code, but I don't know how to actually write codes or anything..And I think I've forgotten how to scam html code now too lol...so im pretty much screwed. Found a website but It helps you with your blog programs and since this isnt a program, Im thinking it wont help.. booo im so unenthused and procrastinating on this thesis........................................................ and no bodies reading this.....................................................lol...............oh well