html,body,div,span,h1,h2,h3,h4,h5,h6,p,a,img,ul,li,header,footer,nav,section {margin:0;padding:0;border:0;vertical-align:baseline}
article,aside,details,figcaption,figure,footer,header,menu,nav,section {display:block}
ul {list-style:none}