The question of how much the default element's margin value is in different browsers today is a discussion
Copy CodeThe code is as follows:
The margin value of the body
Firefox 20.0-----------------------body margin: margin:8px 8px 8px 8px;
The margin for Internet Explorer 6.0-----------body is: margin:15px 10px 15px 10px;
The margin for Internet Explorer 7.0-----------body is: margin:16px 11px 16px 11px;
The margin for Internet Explorer 8.0-10.0----body is: margin:16px 8px 16px 8px;
Opera 12.11---------------------body margin: margin:16px 8px 16px 8px;
Safari 5.1-------------------------body margin: margin:16px 8px 16px 8px;
Google Chrome 27.0---------body margin: margin:16px 8px 16px 8px;
Margin value of the H1
The margin for Firefox 20.0-----------------------H1 is: margin:21px 0 22px 0;
The margin for Internet Explorer 6.0-----------H1 is: margin:19px 0 19px 0;
The margin for Internet Explorer 7.0-----------H1 is: margin:19px 0 19px 0;
The margin for Internet Explorer 8.0-10.0----H1 is: margin:20px 0 20px 0;
Opera 12.11---------------------H1 margin: margin:21px 0 21px 0;
The margin for Safari 5.1-------------------------H1 is: margin:21px 0 21px 0;
The margin for Google Chrome 27.0---------H1 is: margin:21px 0 22px 0;
Margin value of the H2
The margin for Firefox 20.0-----------------------H2 is: margin:20px 0 20px 0;
The margin for Internet Explorer 6.0-----------H2 is: margin:19px 0 19px 0;
The margin for Internet Explorer 7.0-----------H2 is: margin:19px 0 19px 0;
The margin for Internet Explorer 8.0-10.0----H2 is: margin:20px 0 20px 0;
Opera 12.11---------------------H2 margin: margin:19px 0 19px 0;
The margin for Safari 5.1-------------------------H2 is: margin:19px 0 19px 0;
The margin for Google Chrome 27.0---------H2 is: margin:20px 0 20px 0;
Margin value of the H3
The margin for Firefox 20.0-----------------------H3 is: margin:19px 0 18px 0;
The margin for Internet Explorer 6.0-----------h3 is: margin:19px 0 19px 0;
The margin for Internet Explorer 7.0-----------H3 is: margin:19px 0 19px 0;
The margin for Internet Explorer 8.0-10.0----h3 is: margin:19px 0 18px 0;
Opera 12.11---------------------h3 margin: margin:18px 0 18px 0;
The margin for Safari 5.1-------------------------h3 is: margin:18px 0 18px;
The margin for Google Chrome 27.0---------H3 is: margin:19px 0 18px 0;
Margin value of the H4
The margin for Firefox 20.0-----------------------H4 is: margin:22px 0 21px 0;
The margin for Internet Explorer 6.0-----------h4 is: margin:19px 0 19px 0;
The margin for Internet Explorer 7.0-----------h4 is: margin:19px 0 19px 0;
The margin for Internet Explorer 8.0-10.0----h4 is: margin:22px 0 21px 0;
Opera 12.11---------------------h4 margin: margin:16px 0 16px 0;
The margin for Safari 5.1-------------------------h4 is: margin:21px 0 21px 0;
The margin for Google Chrome 27.0---------h4 is: margin:22px 0 21px 0;
Margin value of the H5
The margin for Firefox 20.0-----------------------h5 is: margin:22px 0 22px 0;
The margin for Internet Explorer 6.0-----------h5 is: margin:19px 0 19px 0;
The margin for Internet Explorer 7.0-----------h5 is: margin:19px 0 19px 0;
The margin for Internet Explorer 8.0-10.0----h5 is: margin:22px 0 22px 0;
Opera 12.11---------------------h5 margin: margin:22px 0 22px 0;
The margin for Safari 5.1-------------------------h5 is: margin:22px 0 22px 0;
The margin for Google Chrome 27.0---------h5 is: margin:22px 0 22px 0;
Margin value of the H6
The margin for Firefox 20.0-----------------------h6 is: margin:25px 0 25px 0;
The margin for Internet Explorer 6.0-----------h6 is: margin:19px 0 19px 0;
The margin for Internet Explorer 7.0-----------h6 is: margin:19px 0 19px 0;
The margin for Internet Explorer 8.0-10.0----h6 is: margin:25px 0 25px 0;
Opera 12.11---------------------h6 margin: margin:24px 0 24px 0;
The margin for Safari 5.1-------------------------h6 is: margin:24px 0 24px 0;
The margin for Google Chrome 27.0---------h6 is: margin:28px 0 28px 0;
Margin value of DL
The margin for Firefox 20.0-----------------------DL is: margin:16px 0 16px 0;
The margin for Internet Explorer 6.0-----------DL is: margin:19px 0 19px 0;
The margin for Internet Explorer 7.0-----------DL is: margin:19px 0 19px 0;
The margin for Internet Explorer 8.0-10.0----DL is: margin:16px 0 16px 0;
Opera 12.11---------------------dl margin: margin:16px 0 16px 0;
The margin for Safari 5.1-------------------------DL is: margin:16px 0 16px 0;
The margin for Google Chrome 27.0---------DL is: margin:16px 0 16px 0;
Margin value of DD
The margin for Firefox 20.0-----------------------DD is: margin:0 0 0 40px;
The margin for Internet Explorer 6.0-----------DD is: margin:0 0 0 40px;
The margin for Internet Explorer 7.0-----------DD is: margin:0 0 0 40px;
The margin for Internet Explorer 8.0-10.0----dd is: margin:0 0 0 40px;
The margin for Opera 12.11---------------------DD is: margin:0 0 0 40px;
The margin for Safari 5.1-------------------------DD is: margin:0 0 0 40px;
The margin for Google Chrome 27.0---------DD is: margin:0 0 0 40px;
The margin value of UL
Firefox 20.0-----------------------ul margin: margin:16px 0 16px 0;
Internet Explorer 6.0-----------ul margin: margin:19px 0 19px 40px;
Internet Explorer 7.0-----------ul margin: margin:19px 0 19px 40px;
Internet Explorer 8.0-10.0----ul margin: margin:16px 0 16px 0;
Opera 12.11---------------------ul margin: margin:16px 0 16px 0;
Safari 5.1-------------------------ul margin: margin:16px 0 16px 0;
Google Chrome 27.0---------ul margin: margin:16px 0 16px 0;
The margin value of OL
The margin for Firefox 20.0-----------------------ol is: margin:16px 0 16px 0;
The margin for Internet Explorer 6.0-----------ol is: margin:19px 0 19px 40px;
The margin for Internet Explorer 7.0-----------ol is: margin:19px 0 19px 40px;
The margin for Internet Explorer 8.0-10.0----ol is: margin:16px 0 16px 0;
Opera 12.11---------------------ol margin: margin:16px 0 16px 0;
The margin for Safari 5.1-------------------------ol is: margin:16px 0 16px 0;
The margin for Google Chrome 27.0---------ol is: margin:16px 0 16px 0;
Padding value of UL
Firefox 20.0-----------------------ul's padding: padding:0 0 0 40px;
Internet Explorer 6.0-----------ul's padding: padding:0 0 0 0;
Internet Explorer 7.0-----------ul's padding: padding:0 0 0 0;
Internet Explorer 8.0-10.0----ul's padding: padding:0 0 0 40px;
Opera 12.11---------------------ul's padding: padding:0 0 0 40px;
Safari 5.1-------------------------ul's padding: padding:0 0 0 40px;
Google Chrome 27.0---------ul's padding: padding:0 0 0 40px;
Padding value of OL
The padding of Firefox 20.0-----------------------ol is: padding:0 0 0 40px;
Internet Explorer 6.0-----------ol padding: padding:0 0 0 0;
Internet Explorer 7.0-----------ol padding: padding:0 0 0 0;
Internet Explorer 8.0-10.0----ol padding: padding:0 0 0 40px;
Opera 12.11---------------------ol padding: padding:0 0 0 40px;
Safari 5.1-------------------------ol padding: padding:0 0 0 40px;
Google Chrome 27.0---------ol padding: padding:0 0 0 40px;
Margin value of P
The margin for Firefox 20.0-----------------------P is: margin:16px 0 16px 0;
The margin for Internet Explorer 6.0-----------P is: margin:19px 0 19px 0;
The margin for Internet Explorer 7.0-----------P is: margin:19px 0 19px 0;
The margin for Internet Explorer 8.0-10.0----p is: margin:16px 0 16px 0;
Opera 12.11---------------------P's margin: margin:16px 0 16px 0;
The margin for Safari 5.1-------------------------p is: margin:16px 0 16px 0;
The margin for Google Chrome 27.0---------P is: margin:16px 0 16px 0;
Margin value of the Thead,tbody,tfoot
Firefox 20.0-----------------------thead,tbody,tfoot margin: margin:2px 2px 2px 2px;
The margin for Internet Explorer 6.0-----------thead,tbody,tfoot is: margin:2px 2px 2px 2px;
The margin for Internet Explorer 7.0-----------Thead,tbody,tfoot is: margin:2px 2px 2px 2px;
The margin for Internet Explorer 8.0-10.0----thead,tbody,tfoot is: margin:2px 2px 2px 2px;
Opera 12.11---------------------thead,tbody,tfoot margin: margin:2px 2px 2px 2px;
The margin for Safari 5.1-------------------------thead,tbody,tfoot is: margin:2px 2px 2px 2px;
Google Chrome 27.0---------thead,tbody,tfoot margin: margin:2px 2px 2px 2px;
Margin value of form
The margin for Firefox 20.0-----------------------form is: margin:0 0 0 0;
The margin for Internet Explorer 6.0-----------form is: margin:19px 0 19px 0;
The margin for Internet Explorer 7.0-----------form is: margin:19px 0 19px 0;
The margin for Internet Explorer 8.0-10.0----form is: margin:0 0 0 0;
Opera 12.11---------------------The margin for form: margin:0 0 0 0;
The margin for Safari 5.1-------------------------form is: margin:0 0 0 0;
The margin for Google Chrome 27.0---------form is: margin:0 0 0 0;
Discussion on default margin and padding value of common elements