Thread:Project:Support desk/Change the size of a "dashed box"?/reply

It is more than simply a dashed box. The tag you are using is called "pre" for "pre-formatted" and you'll see that the contents of the box has a mono-spaced font instead of the regular one.

Lines inside of pre do not wrap so long lines scroll off to the right like this and that can be quite annoying if you aren't expecting it.

That said, you can add add a style attribute (at least on Firefox) to handle that and the width:

 Lines inside of pre do not wrap so long lines scroll off to the right like this and that can be quite annoying if you aren't expecting it.