31 online CSS Cheatsheets that help

Believe it or not ,most of modifications in default Blogger templates that I did were CSS only . And the result are custom templates you see in SimplexDesign blog .Understanding CSS ,even a little can help you in changing elements in website/blog as you want .Changing in Font size,colors ,size of elements ,positions of elements... all of them are CSS ^^But how can we remember all of them ,we are