spaces between rules in stylesheet

I am having an issue with Dreamweaver CS3 adding a space between each of my
style rules in my .css files. These stylesheets have been made by other
co-workers and are fine when they open them. However, when I open one, it adds
the spaces. Like this...

.pickle{

width:100%;

color:#fff;

float:left;

}

instead of this...
.pickle{
width:100%;
color:#fff;
float:left;
}

Is there some kind of setting that I need to adjust? Has anyone else had this
issue?