I'm having a slight problem with the spacing between my sidebar titles and the content beneath them (they're too close). See my website here - http://www.thomasharveydesign.co.uk/blog/
For example I would like a bigger gap between "About Me" and "A twenty-something..."
My theme also adds a dotted line break between certain things in the sidebar but often seems to add an extra one, two or three below.
I can't quite work out what exactly needs changing in my stylesheet (if indeed it is the stylesheet that holds the solution) but I'm hoping someone else can shed some light on this. The style.css code is posted below.
[Huge chunk of CSS moderated as per the Forum Rules. Please just post a link to your site instead.]