What is the default value of the text-align property for Left to Right Languages?

What is the initial value of the opacity property?

Which is not a valid value for the font-stretch property?

What will happen if the following declaration is used? body { background-image: url('test.png'); background-attachment: fixed; background-position: 100% 100%; background-repeat: no-repeat; }

Which value of the white-space property will set the value of white-space-collapse to 'preserve' and value of the text-wrap to 'none'?

Which does not apply to external style?

Do "left", "top", "right" and "bottom" properties apply to all positioned elements?

Webkit has it's own prefix and works in:

The correct way to select only inputs which are "disabled" is?

Which of the following options below has the correct CSS syntax?

what is the vendor prefix for internet explorer ?