html {
  box-sizing: border-box;
}

*, *:before, *:after {
  	box-sizing: inherit;
  	margin: 0px;
	padding: 0px;
	background-size: contain;
	background-position: center center;
	background-repeat: no-repeat;
}

html, body {
	/*position: relative;*/
	font-family: arial;
	height: 100%;
	width: 100%;
}