Alrighty, I've made a few modifications to this site.
First, the calendar days that have entries now have a light grey background behind the day.
Second, in the Recent Comments section, the entry that the comment is related to is now listed by name.
Third, I tweaked the link colors a little bit:
Links for pages you have not visited are this color.
Links for pages you have visited are this color.
Also, I will occasionally need to use highlighted text. When I do, it will look like this: