Speedy, please give us some more information. What errors do you get, how does your screen look, what is the problem? Nobody can help you with just this.

. added a link to the screen capture

Any suspicious entries in your log file?

Two ideas: The icons are realized with bootstrap so it is basically a font file, which is included and shown. The boxes [] show that the character could not be displayed by the font. I would check, if the font is available at this place. Also, since you're using Chrome I would hit F12 to see if there are any Resources missing. You could also post a screenshot of this for further investigation.