{"action":"opened","issue":{"url":"https://api.github.com/repos/twbs/bootstrap/issues/19778","repository_url":"https://api.github.com/repos/twbs/bootstrap","labels_url":"https://api.github.com/repos/twbs/bootstrap/issues/19778/labels{/name}","comments_url":"https://api.github.com/repos/twbs/bootstrap/issues/19778/comments","events_url":"https://api.github.com/repos/twbs/bootstrap/issues/19778/events","html_url":"https://github.com/twbs/bootstrap/issues/19778","id":150136505,"number":19778,"title":"v4: Spacing utility classes only work on H* elements","user":{"login":"bellwood","id":2453632,"avatar_url":"https://avatars.githubusercontent.com/u/2453632?v=3","gravatar_id":"","url":"https://api.github.com/users/bellwood","html_url":"https://github.com/bellwood","followers_url":"https://api.github.com/users/bellwood/followers","following_url":"https://api.github.com/users/bellwood/following{/other_user}","gists_url":"https://api.github.com/users/bellwood/gists{/gist_id}","starred_url":"https://api.github.com/users/bellwood/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bellwood/subscriptions","organizations_url":"https://api.github.com/users/bellwood/orgs","repos_url":"https://api.github.com/users/bellwood/repos","events_url":"https://api.github.com/users/bellwood/events{/privacy}","received_events_url":"https://api.github.com/users/bellwood/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-04-21T17:13:07Z","updated_at":"2016-04-21T17:13:07Z","closed_at":null,"body":"Perhaps this is a work in progress item, however, if I want to add some padding or a margin to a row, container, image, etc it does not work.\r\n\r\nHowever if I add the same class, say, m-b-10, to a H1->6 element, it works just fine."}}