Adds a note about limitations on content being larger than the image - #27321

Adds a note about limitations on content being larger than the image#27321

XhmikosR merged 6 commits into

twbs:v4-devtwbs/bootstrap:v4-devfrom

helmutgranda:card-image-overlay-content-overflowhelmutgranda/bootstrap:card-image-overlay-content-overflowCopy head branch name to clipboard