The default block inside bootstrap default theme look like this Require theming.
develdru created an issue. See original summary.
Issue #2828075 by develdru: Change in default well or block theme
Automatically closed - issue fixed for 2 weeks with no activity.
Comments
Comment #3
develdru CreditAttribution: develdru as a volunteer and at OpenSense Labs commentedComment #6
vidhatanand CreditAttribution: vidhatanand at OpenSense Labs commented