The `ratio` class used for embeds creates a static context. Using `position: relative` for the subsequent element makes sure it doesn't end up 'under' the embed on large viewports sizes. For simplicity, we chose to not test for the actual presence of an embed or window size before applying position-relative on the next div. Task-2663320 Part of odoo/odoo#79615 Signed-off-by: Warnon Aurélien (awa) <awa@odoo.com>