How to put an element in the middle in the center in flex-layout?

Question

css

Specifically, the situation is this, I bought a template on themeforest, I put my store script, but in the upper right corner I can’t set the phone number and working time in the middle (don’t pay attention to the font style, logo, etc., temporarily)
Here are the pictures:


I understand the layout at the level a little better than a beginner, but this flex has recently begun to come across.

Answer 1

Do you have a property hanging on the selected element ?display: flex;