Help DIV Code Doesn't Look Right

[Stella Rennings]

I created this code for a friend and when I posted it it stretched beyond the edge. Howdo I stop it from doing it?

Henrick - 01-01-2345

[div=background:url('https://i.pinimg.com/originals/40/f3/fc/40f3fc555a545028ba354c5efcb65c63.jpg');background-size:cover;border:5px #191970 double;color: #27408B;padding:5px;]
[Fieldset=Henrick - 01-01-2345][imageFloat=left][IMG]https://www.rpnation.com/media/sc4569-1.32481/full?d=1512069573[/IMG] [/imageFloat]

 

[Fable]

First thing I notice, you didn't close the div.

Henrick - 01-01-2345