{"action":"opened","issue":{"url":"https://api.github.com/repos/Voleur/Notes/issues/6","repository_url":"https://api.github.com/repos/Voleur/Notes","labels_url":"https://api.github.com/repos/Voleur/Notes/issues/6/labels{/name}","comments_url":"https://api.github.com/repos/Voleur/Notes/issues/6/comments","events_url":"https://api.github.com/repos/Voleur/Notes/issues/6/events","html_url":"https://github.com/Voleur/Notes/issues/6","id":299988851,"number":6,"title":"css 画提示框箭头","user":{"login":"Voleur","id":28447426,"avatar_url":"https://avatars1.githubusercontent.com/u/28447426?v=4","gravatar_id":"","url":"https://api.github.com/users/Voleur","html_url":"https://github.com/Voleur","followers_url":"https://api.github.com/users/Voleur/followers","following_url":"https://api.github.com/users/Voleur/following{/other_user}","gists_url":"https://api.github.com/users/Voleur/gists{/gist_id}","starred_url":"https://api.github.com/users/Voleur/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Voleur/subscriptions","organizations_url":"https://api.github.com/users/Voleur/orgs","repos_url":"https://api.github.com/users/Voleur/repos","events_url":"https://api.github.com/users/Voleur/events{/privacy}","received_events_url":"https://api.github.com/users/Voleur/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-02-25T01:37:00Z","updated_at":"2018-02-25T01:37:00Z","closed_at":null,"author_association":"OWNER","body":"```\r\n----------------\r\n|              |       \r\n|              |\r\n------   -------\r\n       \\/\r\n```\r\n**带箭头的提示框**\r\n```\r\n<div id=\"demo\"></div>\r\n<style>\r\n      #demo {\r\n            width: 100px;\r\n            height: 100px;\r\n            background-color: #ccc;\r\n            position: relative;\r\n            border: 4px solid #333;\r\n        }\r\n\r\n        #demo:after, #demo:before {\r\n            border: solid transparent;\r\n            content: ' ';\r\n            height: 0;\r\n            left: 100%;\r\n            position: absolute;\r\n            width: 0;\r\n        }\r\n\r\n        #demo:after {\r\n            border-width: 9px;\r\n            border-left-color: #ccc;\r\n            top: 15px;\r\n        }\r\n\r\n        #demo:before {\r\n            border-width: 14px;\r\n            border-left-color: #333;\r\n            top: 10px;\r\n        }\r\n</style>\r\n```"}}
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