I second this motion. Bootstrap is a great place to start. There are a couple of other things such as background images, fonts, balance, icons (ex. FontAwesome)

I second this motion. Bootstrap is a great place to start. There are a couple of other things such as background images, fonts, balance, icons (ex. FontAwesome) and some other minor changes you can make to make your website look even better. There was a great post on HN a couple of weeks ago, unfortunately I've lost said link - just google for 'x ways to make your website look better'.