Creating Base Cat

Double clicking on the .html file - to open it in the browser,
leaves a complete white page,
after entering the code exactly as in the video. Help?

hey @VEXAHEDRON can you be a bit more explicit with this error? Remember that in order to make it work, you will need to run a web server. If you are using visual code studio for code editor, you can download LiveServer extension, is one click server on your html file. I advice to watch a tutorial.
Let me know if its work