3 <li style=
"background:lime">This list item should have green background because its class is
"t1
"</li>
4 <li style=
"background:lime">This list item should have green background because its class is
"t2
"</li>
5 <li style=
"background:lime">This list item should have green background because the inner SPAN does not match SPAN.t3
</li>