body {
	background-image: url(bg_bk.jpg);
	background-size: cover;
	background-position: 100% 50%;
	background-repeat: no-repeat;
	background-attachment: fixed;
	color: white;
	font-size: 1.2em;
        font-family: Lato, verdana, sans;
}

div.c {
	width: 600px;
	margin: 200px auto;
}

@media screen and (max-width: 600px){
	div.c {
		width: auto;
		margin: 20px 10px;
	}

}
p {
	text-align: justify;
	line-height: 1.7em;
}