The capitol S in my tweetdeck looks misaligned; what the heck, and can you help please?

My tweetdeck has my capitol Ses (esses? S’s? the letter s, pluralized) looking all misaligned. Which leads me to this crucial point: Tweetdeck is on my computer, not my typewriter (hah. My typewriter. No, I don’t really have one.) I don’t even… How can computers do this? What the…? And why is it in Tweetdeck only, since everything looks correct in Fluther? Any programmers want to shed some light on this?

How do I make it go away and be all computery awesomeness and mandatory conformity again?

The proof