Daniel Glazman Ian Hickson li { background-color : red } #t1 { background-color : lime } li#t2 { background-color : lime } li#t3 { background-color : lime } #t4 { background-color : red }

• This list item should have a green background. because its ID is "t1"
• This list item should have a green background. because its ID is "t2"
• This list item should have a green background. because the inner SPAN does not match "#t4"