A — SECTION, fades + autoclose ON (2.2s)

B — SECTION, all three OFF (control)

C — BUTTON popup, fades + autoclose ON (2.2s)

WATCH ON

D — BUTTON popup, all three OFF (control)

WATCH OFF

F — SECTION click-anywhere popup ON

Plain text here opens the video. This link must NOT.

ORDINARY BUTTON

NESTED WATCH

G — SECTION click-anywhere OFF (control)

J — WebM primary + MP4 fallback

WEBM WITH FALLBACK

K — WebM, NO fallback (control)

WEBM NO FALLBACK

H — outer section is NOT a host

H-inner — INNER SECTION host ON

Inner text opens it. This link must NOT.

I — OUTER host (plays Online-Training)

I-inner — INNER host (plays Savana)

E — VIDEO widget popup host (div role=button)