Youtube poster references

 https://upload.wikimedia.org/wikipedia/commons/thumb/7/75/YouTube_social_white_squircle_%282017%29.svg/2048px-YouTube_social_white_squircle_%282017%29.svg.png

https://en.wikipedia.org/wiki/File:Logo_of_YouTube_(2015-2017).svg

https://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/YouTube_Logo_2017.svg/1280px-YouTube_Logo_2017.svg.png