What is the correct CSS syntax

On which side will there be a 15px padding given the following declaration: padding: 10px 15px 20px 30px;

___________ property can be used increase or decrease the space between words

On which side will there be a 30px padding given the following declaration: padding: 10px 15px 20px 30px;

To specify table borders in CSS, __________ property is used

Which one of the following would be considered as valid?

What does the following declaration accomplish? div{background-color: rgba(255,255,255,0.8); }

how to set multiple images in background through css

Which of the following tells the browser where you want to apply the rule?

Which would you use to write shorthand css to affect the outline properties?

Which of these is NOT a CSS pseudo-class?