Improve Download and verify (DAVE) - html/css only

- Keep displaying more info about verification after success [24] [25]
— [Ready for Q/A : sajolida]- “Checksum verified!”
— [Ready for Q/A : sajolida] - Display in black

- Format steps as 1, 2, 3 [Ready for Q/A : sajolida]

- Change behavior of Next button [Waiting info : sajolida]

- Display download path after verfication
— Take more vertical space when page is loading [Ready for Q/A : sajolida]
— Add wheel while loading [became a message with animation / Ready for Q/A : sajolida]

- Maybe use data-phase="init" to hide/show some “hold on” feedback, see #10678-note_6

Feature Branch: web/10631-DAVE-CSS

Attachments

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Parent Task: #8592 (closed)

Related issues

• Related to #9385 (closed)
• Related to #10676 (closed)
• Related to #10680 (closed)

Original created by @tchou on 10631 (Redmine)