nav,

header,

section,

article,

aside,

footer {

display: block;

}

body,

p,

pre,

hr,

ul,

dl,

dd,

h1,

h2,

h3,

h4,

h5,

h6 th,

textarea,

td,

ol,

menu,

legend,

input,

fieldset,

button,

form,

dir,

keygen,

select,

isindex,

xmp,

plaintext,

listing,

address {

margin: 0;

padding: 0;

}