How to make nameless spoilers?

[The Hidden Owl]

How do I make a spoiler box have no name and be super thin? (sorry noobie q)

 

[FireNinja1]

[spoiler= ]This is a post made by FireNinja1[/spoiler]

=

Spoiler:

This is a post made by FireNinja1

 

[Puffy]

Just do
{spoiler= } stevens a cutie {/spoiler}

(replace the curly braces with [ and ]

thatll turn into

Spoiler:

stevens a cutie

 

[emmatheweirdo]

this helped me too ;w; so simple, i'm dumb wah cx

 

[CR33P]

Spoiler:

Spoiler:

Spoiler: