{"id":531,"date":"2020-01-02T14:26:19","date_gmt":"2020-01-02T06:26:19","guid":{"rendered":"https:\/\/wp.winter-weng.cc\/work\/?p=531"},"modified":"2021-03-06T16:09:11","modified_gmt":"2021-03-06T08:09:11","slug":"css-margin-collapsing","status":"publish","type":"post","link":"https:\/\/wp.winter-weng.cc\/work\/?p=531","title":{"rendered":"[CSS] margin collapsing"},"content":{"rendered":"\n<p>\u96d6\u7136\u4e4b\u524d\u6709\u9047\u904e\uff0c\u4f46\u4e00\u76f4\u6c92\u6709\u8a73\u7d30\u7684\u53bb\u770b\u904e\uff0c\u5728\u4e00\u4e9b\u60c5\u6cc1\u4e4b\u4e2d\uff0c\u6703\u767c\u73fe\u5143\u7d20\u7684 margin \u6c92\u6709\u5b8c\u5168\u7684\u9ad4\u73fe\u51fa\u4f86\u3002\u60f3\u50cf\u5169\u500b <code>&lt;p&gt;<\/code> \u5143\u7d20\uff0c\u7b2c\u4e00\u500b\u6709 <code>margin-bottom: 10px;<\/code>\uff0c\u7b2c\u4e8c\u500b\u6709 <code>margin-top: 20px;<\/code>\uff0c\u6700\u5f8c\u986f\u793a\u51fa\u4f86\u5169\u500b &lt;p&gt; \u4e4b\u9593\u4e26\u4e0d\u6703\u662f\u76f8\u52a0\u7684 30px\uff0c\u800c\u662f\u53d6\u8f03\u5927\u6578\u503c\u7684 <strong>20px<\/strong>\u3002<\/p>\n\n\n<p>\u9019\u7a2e\u60c5\u6cc1\u7a31\u70ba\u300c\u908a\u754c\u91cd\u758a\u300d(margin collapsing)\u3002<\/p>\n\n\n<p>\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u6703\u9020\u6210\u6b64\u72c0\u6cc1\uff1a<\/p>\n\n\n<ol class=\"wp-block-list\"><li>\u540c\u4e00\u5c64\u7d1a\u7684\u76f8\u9130\u5169\u500b\u5143\u7d20<\/li><li>\u7236\u5143\u7d20\u8207\u5176\u4e0b\u7684\u7b2c\u4e00\u500b \/ \u6700\u5f8c\u4e00\u500b\u5b50\u5143\u7d20<\/li><li>\u7a7a\u5143\u7d20 (\u5143\u7d20\u7684\u4e0a\u4e0b\u908a\u754c\u53ef\u4ee5\u78b0\u5728\u4e00\u8d77)<\/li><\/ol>\n\n\n<p>\u5176\u9918\u9644\u52a0\u689d\u4ef6\uff1a<\/p>\n\n\n<ol class=\"wp-block-list\"><li>Block-Level \u7684\u5143\u7d20\u624d\u6703\u767c\u751f\u908a\u754c\u91cd\u758a<\/li><li>\u8a2d\u5b9a floating \u548c absolutely positioned \u7684\u5143\u7d20\u4e0d\u6703\u767c\u751f\u908a\u754c\u91cd\u758a<\/li><li>\u7576\u8a08\u7b97\u7684\u6642\u5019\u67d0\u4e9b\u908a\u754c\u7bc4\u570d\u662f\u8ca0\u6578\uff0c\u908a\u754c\u91cd\u758a\u7684\u7d50\u679c\u6703<strong>\u53d6\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u76f8\u52a0<\/strong>\u3002\u4e5f\u5c31\u662f\u8aaa\u5982\u679c\u6709 -13px, 8px, 100px \u758a\u5728\u4e00\u8d77\uff0c\u908a\u754c\u7bc4\u570d\u7684\u8a08\u7b97\u5c31\u662f 100px &#8211; 13px \u7684 87px\u3002<\/li><\/ol>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<p>\u53c3\u8003\uff1a<\/p>\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/developer.mozilla.org\/zh-TW\/docs\/Web\/CSS\/CSS_Box_Model\/Mastering_margin_collapsing\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"\u7406\u89e3\u908a\u754c\u91cd\u758a\u7684\u539f\u56e0 (MDN) (\u5728\u65b0\u5206\u9801\u4e2d\u958b\u555f)\">\u7406\u89e3\u908a\u754c\u91cd\u758a\u7684\u539f\u56e0 (MDN)<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u96d6\u7136\u4e4b\u524d\u6709\u9047\u904e\uff0c\u4f46\u4e00\u76f4\u6c92\u6709\u8a73\u7d30\u7684\u53bb\u770b\u904e\uff0c\u5728\u4e00\u4e9b\u60c5\u6cc1&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[3],"tags":[16,17,35],"class_list":["post-531","post","type-post","status-publish","format-standard","hentry","category-css","tag-css","tag-css-box-model","tag-35"],"_links":{"self":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts\/531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=531"}],"version-history":[{"count":1,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts\/531\/revisions"}],"predecessor-version":[{"id":615,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts\/531\/revisions\/615"}],"wp:attachment":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}