html {
	font-size: 14px;
	font-family: sans-serif;
}

html, body {
	border: 0;
  margin: 0;
  padding: 0;
	min-width: 320px;
}

header {
	background: #f00 url(../estudio_sampere.png) no-repeat center center;
	min-height: 90px;
	overflow: hidden;
	text-indent: -9999rem;
}

main, footer {
	box-sizing: border-box;
	padding: 2em;
}

dl.list-table { display: table; margin: 0 -0.5em; }
dl.list-table div { display: table-row; }
dl.list-table dt, dl.list-table dd { 
	display: table-cell; 
	padding: 0.5em; 
}
dl.list-table dt { font-style: italic; }

#card-form, #card-form > iframe { min-height: 250px; }

@media (min-width: 768px) {
	html {
		font-size: 16px;
	}

	main, footer {
		max-width: 800px;
		margin: 0 auto;
	}

}