body{margin:0;}
h1,h2,h3{margin:1em 0;}
optgroup{font-weight:normal;}
abbr,acronym{border-bottom:1px dotted #000;cursor:help;}
del{text-decoration:line-through;}
sup{vertical-align:super;}
sub{vertical-align:sub;}
p,fieldset,table,pre{margin-bottom:1em;}
button,input[type="checkbox"],input[type="radio"],input[type="reset"],input[type="submit"]{padding:1px;}