I am customizing the twenty thirteen theme and want to add a logo image in the navigation bar before menu items like this link.
I have tried different approaches but didn't work.
Would appreciate any suggestions in this regard.
Tested on a Twenty Thirteen & Twenty Twelve child theme.
Try this from your child themes functions.php file.
You can add the image using various methods.
Sample CSS for your child themes style.css file:
You'd also want some Media Queries which will vary per theme.
Here's the result on Twenty Twelve: