html,body,div,span,iframe,h1,h2,h3,h4,h5,h6,p,pre,a,code,del,em,img,small,strike,strong,b,u,i,center,article,aside,canvas,embed,figure,footer,header,menu,nav,section,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,figure,footer,header,menu,nav,section{display:block}body{line-height:1;font-size:100%}*,*:after,*:before{margin:0;padding:0;box-sizing:border-box;text-decoration:none}