Note: I haven't tried this on any mac besides yosemite.
1)Go to
https://www.youtube.com/watch?v=vtnsQLBxwuQ and read the desc for the link for the cs
2)Download wine bottler.
3)Download ESF any of them I used ESF beta 1.2.3
4)Drag CS to the desktop
5)Right click on the ESF setup file in the finder and click open with wine.
6)Click "Go"
7) Click "install"
8) Click desktop/Counter-Strike 1.6 (Yosemite Compatible/drive_c/program files/CS.
9)Install in CS
10)Once finished installing open C.S and click change game then click Earth's Special Forces.
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Lol, Pictures wouldn't load. They were "exceeded the website limit.