Thick black lines near the bottom and also a grey black with a sad face

I have noted that there is a couple of thick black lines towards the bottom around the shared button. Also there is a grey box area with a sad face and I’m wondering what that may be. Can anyone help with that?

• This topic was modified 4 years, 7 months ago by Jan Dembowski.

The page I need help with: [log in to see the link]