h1{
	text-align: center;
	font-family: Arial;
	font-size: 30px;
	font-weight: bold;
}

@media only screen and (max-width:600px){ /* telefoni */
	
	body{
		background-color: red;
	}
	#video{
		width:80%;
	}

}

@media only screen and (min-width:601px){ /* tablet */
	
	body{
		background-color: oranged;
		color: white;
	}
	#video{
		width:80%;
	}
	
}

@media only screen and (min-width:769px){ /* desktop */
	
	body{
		background-color: yellow;
		color: black;
	}
	
}