Follow the steps below to embed a video into your webpage
Find a video you would like to embed from Youtube. At the bottom right corner of the video, there is an option to share the video. Click on Share.
After step 1, a window with options to share will pop up. Click embed.
After Step 2, the embed video window will pop up. Click on COPY (available at the bottom right).
Paste the copied text from step 3 into your html file. The result is as shown below.