css triangle - SERP Analysis

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https://dev.to/afif/stop-using-obsolete-methods-to-create-css-triangles-4lo5

https://stackoverflow.com/questions/7073484/how-do-css-triangles-work

https://rootstack.com/en/blog/how-create-triangle-css

https://www.geeksforgeeks.org/css/how-to-create-triangle-in-css/

https://www.reddit.com/r/css/comments/mewm2i/how_to_create_a_css_triangle/

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