CSS reset para HTML5

Os paso una primera versión del reset para HTML5

html{color:#000;background:#FFF;}body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td,hr,iframe,embed,object,legend{margin:0;padding:0;}table{border-collapse:collapse;border-spacing:0;}fieldset,img{border:0;}address,caption,cite,code,dfn,em,strong,th,var,optgroup,a,small,q,time,samp,kbd,sup,sub,mark,col,colgroup,tbody,thead,tfoot,tr,td,th,label,input,button,textarea,select,optgroup,option,label,output{font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;font-variant:normal;}i{font-style:italic;}b{font-weight:bold;}del,ins{text-decoration:none;}li{list-style:none;}caption,th{text-align:left;}h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal;}q:before,q:after{content:'';}abbr,acronym{border:0;font-variant:normal;}sup{vertical-align:baseline;}sub{vertical-align:baseline;}legend{color:#000;}input,button,textarea,select{*font-size:100%;}header,article,section,aside,footer,nav,hgroup,address,figure,figcaption,video,audio,legend,datalist,optgroup,details,summary,command,menu{display:block;margin:0;padding:0;}

Aquí teneis unas cuantas versiones mas por parte de Rich Clark.