::: spoiler how i did that^

::: spoiler .
well you need the spoiler to have something more tangible to click on.
::: spoiler and
there's always the preview button to check on it until you get it right
::: spoiler and
oh cool, you can nest spoilers
::: spoiler neat
huh? 
::: spoiler oh and
you don't even need to close it with the last three colons.