* {
	margin: 0;
	padding: 0;
}
body {
	margin: 0 auto;
	max-width: 610px;
	background: rgb(255,255,255);
}

h1, h2, h3, p {
	text-align: left;
}

h1 {
	font-size: 30px;
	counter-reset: cwiczenia;
	margin: 30px 0px 15px 10px;
}

h2 {
	font-size: 22px;
	margin: 22px 0px 11px 20px;
}
h3 {
	font-size: 14px;
	margin: 14px 0px 7px 30px;
}

p, li {
	font: 12px Arial, Helvetica, sans-serif;
	margin: 5px 0px 5px 50px;
}

ul, ol {
	margin: 10px 0px 5px 25px;

}

h3:before {
	content: "Ćwiczenie " counter(cwiczenia) ". ";
	counter-increment: cwiczenia;
}

#stopka iframe {
	width: 100%;
	height: 50px;
}