Does div need to be reset ?, Div Reset
Check the default margin and padding of all common labels? Demo stamp here --
Every time you see that you set margin: 0; padding: 0; for that long string of tags, do you want to see which tags and which browsers have default values?
FF 32.0: === Margin === h1, 21.4333px, 0px, pixel, 0pxh2, pixel, 0px, pixel, 0pxh3, 18.7167px, 0px, 18.7167px, 0pxh4, 21.2833px, 0px, pixel, 0pxh5, 22.1833px, 0px, 22.1833px, 0pxh6, 24.9667px, 0px, pixel, 0pxp, 16px, 0px, 16px, 0 pxul, 16px, 0px, 16px, 0 pxol, 16px, 0px, 16px, 0 pxdl, 16px, 0px, 16px, 0 pxdd, 0px, 0px, 0px, 40 pxhr, 8px, 0px, 8px, 0 pxpre, 16px, 0px, 16px, 0 pxfigure, 16px, 40px, 16px, 40 pxfieldset, 0px, 2px, 0px, 2 pxblockquote, 16px, 40px, 16px, 40 pxtextarea, 1px, 0px, 1px, 0 pxtextarea, 1px, 0px, 1px, 0px === Padding === ul, 0px, 0px, 0px, 40 pxol, 0px, 0px, 0px, 40 pxth, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxfieldset, 5.6px, 10px, 12px, 10 pxlegend, 0px, 2px, 0px, 2 pxinput, 2px, 2px, 2px, 2 pxselect, 1px, 1px, 1px, 1 pxoption, 0px, 5px, 0px, 3 pxoption, 0px, 5px, 0px, 3 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 0px, 6px, 0px, 6 pxselect, 1px, 1px, 1px, 1 pxoption, 0px, 0px, 0px, 20 pxoption, 0px, 0px, 0px, 20 pxtextarea, 2px, 2px, 2px, 2pxView CodeChrome 36.0: === Margin === h1, 21.44347534057617px, 0px, 21.44366534057617px, 0pxh2, primary, 0px, primary, 0pxh3, primary, 0px, primary, 0pxh4, pixel, 0px, 21.280000686645508px, 0pxh5, pixel, 0px, pixel, 0pxh6, pixel, 0px, pixel, 0pxp, 16px, 0px, 16px, 0 pxul, 16px, 0px, 16px, 0 pxol, 16px, 0px, 16px, 0 pxdl, 16px, 0px, 16px, 0 pxdd, 0px, 0px, 0px, 40 pxhr, 8px, 0px, 8px, 0 pxpre, 13px, 0px, 13px, 0 pxfigure, 16px, 40px, 16px, 40 pxfieldset, 0px, 2px, 0px, 2 pxblockquote, 16px, 40px, 16px, 40 pxinput, 2px, 2px, 2px, 2px, 2 pxkeygen, 2px, 2px, 2px, 2 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 2px, 2px, 2px, 2 pxselect, 2px, 2px, 2px, 2px, 2 pxtextarea, 2px, 0px, 2px, 0px === Padding === ul, 0px, 0px, 0px, 40 pxol, 0px, 0px, 0px, 40 pxth, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxfieldset, average, 12px, 10px, 12 pxlegend, 0px, 2px, 0px, 2 pxinput, 1px, 0px, 1px, 0 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 1px, 6px, 1px, 6 pxtextarea, 2px, 2px, 2px, 2px, 2pxView CodeIE 10: === Margin === h1, 21.44px, 0px, 21.44px, 0pxh2, 19.92px, 0px, 19.92px, 0pxh3, 18.73px, 0px, 18.73px, 0pxh4, 21.28px, 0px, 21.28px, 0pxh5, 22.15px, 0px, 22.15px, 0pxh6, 25px, 0px, 25px, 0pxp, 16px, 0px, 16px, 0 pxul, 16px, 0px, 16px, 0 pxol, 16px, 0px, 16px, 0 pxdl, 16px, 0px, 16px, 0 pxdd, 0px, 0px, 0px, 40 pxhr, 8px, 0px, 8px, 0 pxpre, 13.33px, 0px, 13.33px, 0 pxfigure, 16px, 40px, 16px, 40 pxfieldset, 0px, 2px, 0px, 2 pxblockquote, 16px, 40px, 16px, 40px === Padding === ul, 0px, 0px, 0px, 40 pxol, 0px, 0px, 0px, 0px, 40 pxth, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxfieldset, 2px, 2px, 3px, 2 pxlegend, 0px, 2px, 0px, 2 pxinput, 2px, 1px, 2px, 1 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 3px, 10px, 3px, 10 pxtextarea, 2px, 2px, 2px, 2pxView CodeIE 9: === Margin === h1, 21.44px, 0px, 21.44px, 0pxh2, 19.92px, 0px, 19.92px, 0pxh3, 18.73px, 0px, 18.73px, 0pxh4, 21.28px, 0px, 21.28px, 0pxh5, 22.15px, 0px, 22.15px, 0pxh6, 25px, 0px, 25px, 0pxp, 16px, 0px, 16px, 0 pxul, 16px, 0px, 16px, 0 pxol, 16px, 0px, 16px, 0 pxdl, 16px, 0px, 16px, 0 pxdd, 0px, 0px, 0px, 40 pxhr, 8px, 0px, 8px, 0 pxpre, 13.33px, 0px, 13.33px, 0 pxfigure, 16px, 40px, 16px, 40 pxfieldset, 0px, 2px, 0px, 2 pxblockquote, 16px, 40px, 16px, 40px === Padding === ul, 0px, 0px, 0px, 40 pxol, 0px, 0px, 0px, 0px, 40 pxth, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxfieldset, 2px, 2px, 3px, 2 pxlegend, 0px, 2px, 0px, 2 pxinput, 2px, 1px, 2px, 1 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 3px, 10px, 3px, 10 pxtextarea, 2px, 2px, 2px, 2pxView CodeIE 8: === Margin === h3, 1em, 0em, 1em, 0em h4, 1.33em, 0em, 1.33em, 0em h5, 1.67em, 0em, 1.67em, 1.67em, 0em h6, 2.33em, 0em, 2.33em, 0em p, 1em, 0px, 1em, 0px ul, 1em, 0px, 1em, 0px ol, 1em, 0px, 1em, 0px dl, 1em, 0px, 1em, 0px dd, auto, auto, 40px hr, 0.5em, auto, 0.5em, auto pre, 1em, 0px, 1em, 0px fieldset, 0px, 2px, 0px, 2px blockquote, 1em, 40px, 1em, 40px === Padding === ul, 0px, 0px, 0px, 30pt ol, 0px, 0px, 0px, 0px, 30pt th, 1px, 1px, 1px, 1px td, 1px, 1px, 1px, 1px td, 1px, 1px, 1px fieldset, 0px, 2px, 3px, 2px legend, 0px, 2px, 0px, 2px input, 2px, 1px, 2px, 1px textarea, 2px, 2px, 2px, 2px button, 3px, 10px, 3px, 10px textarea, 2px, 2px, 2px, 2px, 2pxView CodeIE 7: === Margin === ul, auto, 30pt ol, auto, 30pt dd, auto, 30pt blockquote, auto, 30pt, auto, 30pt === Padding === caption, 1px, 300zzz, 500zzz, 300zzz th, 1px, 1px, 1px, 1px td, 1px, 1px, 1px, 1px td, 1px, 1px, 1px, 1px fieldset, 0px, 2px, 3px, 2px legend, 0px, 2px, 0px, 2px input, 2px, 1px, 2px, 1px textarea, 2px, 2px, 2px, 2px button, 1px, 0.5px, 1px, 0.5px textarea, 2px, 2px, 2px, 2pxView CodeIE 6: === Margin === ul, auto, 30pt ol, auto, 30pt dd, auto, 30pt blockquote, auto, 30pt, auto, 30pt === Padding === caption, 1px, 3px, 5px, 3px th, 1px, 1px, 1px, 1px, 1px td, 1px, 1px, 1px, 1px td, 1px, 1px, 1px, 1px fieldset, 0px, 2px, 3px, 2px legend, 0px, 2px, 0px, 2px input, 1px, 1px, 1px, 1px, 1px textarea, 2px, 2px, 2px, 2px textarea, 2px, 2px, 2px, 2pxView Code sogou: === Margin === h1, large, 0px, large, 0pxh2, large, 0px, 19.920000076293945px, 0pxh3, 18.74.7 9313354492px, 0px, large, 0pxh4, pixel, 0px, 21.280000686645508px, 0pxh5, pixel, 0px, pixel, 0pxh6, pixel, 0px, pixel, 0pxp, 16px, 0px, 16px, 0 pxul, 16px, 0px, 16px, 0 pxol, 16px, 0px, 16px, 0 pxdl, 16px, 0px, 16px, 0 pxdd, 0px, 0px, 0px, 40 pxhr, 8px, 0px, 8px, 0 pxpre, 13px, 0px, 13px, 0 pxfigure, 16px, 40px, 16px, 40 pxfieldset, 0px, 2px, 0px, 2 pxblockquote, 16px, 40px, 16px, 40 pxinput, 2px, 2px, 2px, 2px, 2 pxkeygen, 2px, 2px, 2px, 2 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 2px, 2px, 2px, 2 pxselect, 2px, 2px, 2px, 2px, 2 pxtextarea, 2px, 0px, 2px, 0px === Padding === ul, 0px, 0px, 0px, 40 pxol, 0px, 0px, 0px, 40 pxth, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxfieldset, average, 12px, 10px, 12 pxlegend, 0px, 2px, 0px, 2 pxinput, 1px, 0px, 1px, 0 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 1px, 6px, 1px, 6 pxtextarea, 2px, 2px, 2px, 2px, 2pxView Code360 Security :=== Margin === h1, 21.44425534057617px, 0px, 21.44417534057617px, 0pxh2, large, 0px, large, 0pxh3, large, 0px, large, 0pxh4, pixel, 0px, 21.280000686645508px, 0pxh5, pixel, 0px, pixel, 0pxh6, pixel, 0px, pixel, 0pxp, 16px, 0px, 16px, 0 pxul, 16px, 0px, 16px, 0 pxol, 16px, 0px, 16px, 0 pxdl, 16px, 0px, 16px, 0 pxdd, 0px, 0px, 0px, 40 pxhr, 8px, 0px, 8px, 0 pxpre, 13px, 0px, 13px, 0 pxfigure, 16px, 40px, 16px, 40 pxfieldset, 0px, 2px, 0px, 2 pxblockquote, 16px, 40px, 16px, 40 pxinput, 2px, 2px, 2px, 2px, 2 pxkeygen, 2px, 2px, 2px, 2 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 2px, 2px, 2px, 2 pxselect, 2px, 2px, 2px, 2px, 2 pxtextarea, 2px, 0px, 2px, 0px === Padding === ul, 0px, 0px, 0px, 40 pxol, 0px, 0px, 0px, 40 pxth, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxfieldset, average, 12px, 10px, 12 pxlegend, 0px, 2px, 0px, 2 pxinput, 1px, 0px, 1px, 0 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 1px, 6px, 1px, 6 pxtextarea, 2px, 2px, 2px, 2px, 2pxView CodeOpera 24.0: ==== Margin ==== h1, 21.443475340576px, 0px, 21.443665340576px, 0pxh2, primary, 0px, primary, 0pxh3, primary, 0px, primary, 0pxh4, pixel, 0px, 21.2800006866455px, 0pxh5, pixel, 0px, pixel, 0pxh6, pixel, 0px, pixel, 0pxp, 16px, 0px, 16px, 0 pxul, 16px, 0px, 16px, 0 pxol, 16px, 0px, 16px, 0 pxdl, 16px, 0px, 16px, 0 pxdd, 0px, 0px, 0px, 40 pxhr, 8px, 0px, 8px, 0 pxpre, 13px, 0px, 13px, 0 pxfigure, 16px, 40px, 16px, 40 pxfieldset, 0px, 2px, 0px, 2 pxblockquote, 16px, 40px, 16px, 40 pxinput, 2px, 2px, 2px, 2px, 2 pxkeygen, 2px, 2px, 2px, 2 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 2px, 2px, 2px, 2 pxselect, 2px, 2px, 2px, 2px, 2 pxtextarea, 2px, 0px, 2px, 0px === Padding === ul, 0px, 0px, 0px, 40 pxol, 0px, 0px, 0px, 40 pxth, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxfieldset, average, 12px, 10px, 12 pxlegend, 0px, 2px, 0px, 2 pxinput, 1px, 0px, 1px, 0 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 1px, 6px, 1px, 6 pxtextarea, 2px, 2px, 2px, 2px, 2pxView CodeSafari 5.17: === Margin === h1, 21px, 0px, 21px, 0pxh2, 19px, 0px, 19px, 0pxh3, 18px, 0px, 18px, 0pxh4, 21px, 0px, 21px, 0pxh5, 22px, 0px, 22px, 0pxh6, 24px, 0px, 24px, 0pxp, 16px, 0px, 16px, 0 pxul, 16px, 0px, 16px, 0 pxol, 16px, 0px, 16px, 0 pxdl, 16px, 0px, 16px, 0 pxdd, 0px, 0px, 0px, 40 pxhr, 8px, 0px, 8px, 0 pxpre, 13px, 0px, 13px, 0 pxfigure, 16px, 40px, 16px, 40 pxfieldset, 0px, 2px, 0px, 2 pxblockquote, 16px, 40px, 16px, 40 pxinput, 2px, 2px, 2px, 2px, 2 pxkeygen, 2px, 2px, 2px, 2 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 2px, 2px, 2px, 2 pxselect, 2px, 2px, 2px, 2px, 2 pxtextarea, 2px, 0px, 2px, 0px === Padding === ul, 0px, 0px, 0px, 40 pxol, 0px, 0px, 0px, 40 pxth, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxtd, 1px, 1px, 1px, 1 pxfieldset, 5px, 12px, 10px, 12 pxlegend, 0px, 2px, 0px, 2 pxinput, 1px, 0px, 1px, 0 pxtextarea, 2px, 2px, 2px, 2 pxbutton, 1px, 6px, 1px, 6 pxselect, 2px, 21px, 2px, 4 pxtextarea, 2px, 2px, 2px, 2pxView Code