How to mark up the sheet live(elements)?

Hello, now I study and did the task to impose such a sheet video. Googled, but, unfortunately, found nothing.

April 19th 20 at 12:00
1 answer
April 19th 20 at 12:02
Example 1: *nudge*
Example 2: *nudge*
Example 3: *nudge*
Thanks for the help and promptness) - May_Kling commented on April 19th 20 at 12:05

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