默认的margin padding

Opera 12.11 --------------------- ol的padding为: padding:0 0 0 40px; 
Safari 5.1 ------------------------- ol的padding为: padding:0 0 0 40px; 
Google Chrome 27.0 --------- ol的padding为: padding:0 0 0 40px; 

// p的margin值 
firefox 20.0 ----------------------- p的margin为: margin:16px 0 16px 0; 
Internet Explorer 6.0 ----------- p的margin为: margin:19px 0 19px 0; 
Internet Explorer 7.0 ----------- p的margin为: margin:19px 0 19px 0; 
Internet Explorer 8.0-10.0 ---- p的margin为: margin:16px 0 16px 0; 
Opera 12.11 --------------------- p的margin为: margin:16px 0 16px 0; 
Safari 5.1 ------------------------- p的margin为: margin:16px 0 16px 0; 
Google Chrome 27.0 --------- p的margin为: margin:16px 0 16px 0; 

// thead,tbody,tfoot的margin值 
firefox 20.0 ----------------------- thead,tbody,tfoot的margin为: margin:2px 2px 2px 2px; 
Internet Explorer 6.0 ----------- thead,tbody,tfoot的margin为: margin:2px 2px 2px 2px; 
Internet Explorer 7.0 ----------- thead,tbody,tfoot的margin为: margin:2px 2px 2px 2px; 
Internet Explorer 8.0-10.0 ---- thead,tbody,tfoot的margin为: margin:2px 2px 2px 2px; 
Opera 12.11 --------------------- thead,tbody,tfoot的margin为: margin:2px 2px 2px 2px; 
Safari 5.1 ------------------------- thead,tbody,tfoot的margin为: margin:2px 2px 2px 2px; 
Google Chrome 27.0 --------- thead,tbody,tfoot的margin为: margin:2px 2px 2px 2px; 

// form的margin值 
firefox 20.0 ----------------------- form的margin为: margin:0 0 0 0; 
Internet Explorer 6.0 ----------- form的margin为: margin:19px 0 19px 0; 
Internet Explorer 7.0 ----------- form的margin为: margin:19px 0 19px 0; 
Internet Explorer 8.0-10.0 ---- form的margin为: margin:0 0 0 0; 
Opera 12.11 --------------------- form的margin为: margin:0 0 0 0; 
Safari 5.1 ------------------------- form的margin为: margin:0 0 0 0; 
Google Chrome 27.0 --------- form的margin为: margin:0 0 0 0; 

 

body的默认padding为0