html { 
  background: url(https://geschenk.de.cool/bilder/bg.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;				   	
 
main {															 /* main und main1 ist f�r die erste Seite */
	width: 100%;
	height: 100vh;
	box-sizing: border-box;
	padding: 15px 20px 20px;
	
	display: flex;
	justify-content: center;
	align-items: center; 	
	text-align: center;	 
}		
		   

main1 {
	width: 900px;
	height: 600px;
	box-sizing: border-box;
	padding: 15px 20px 20px;
	border: thick double;
	border-radius: .5rem;
	background-color: #D3D3D3;
	
	
	display: flex;
	justify-content: center;
	align-items: center; 	
	text-align: center;		
	
	h1,h2,h3 {
	text-align: center;  
	width: 750px;
	height: 50px; 
	}
	
    h4 {
	text-align: center;  
	width: 750px;
	height: 15px; 
	}
	
	p {
	text-align: justify;  
	font-size: 18px;
	width: 750px;
	height: 25px; 
	}	   	
	
}	
			
main2 {														   /* main2 und main3 ist f�r die Ausgabe bei richtiger PW Eingabe */
	width: 100%;
	height: 100vh;
	box-sizing: border-box;
	padding: 15px 20px 20px;
	
	display: flex;
	justify-content: center;
	align-items: center; 	
	text-align: center;	 
}		
	
main3 {
	width: 1000px;
	height: 700px;
	box-sizing: border-box;
	padding: 15px 20px 20px;
	border: thick double;
	background-color: #D3D3D3;
	
	
	display: flex;
	justify-content: center;
	align-items: center; 	
	text-align: center;		
	
	h1 {
	text-align: center;  
	width: 950px;
	height: 30px; 
	}
	
    h2 {
	text-align: center;  
	width: 950px;
	height: 40px; 
	}
	
	p {
	text-align: justify;  
	font-size: 20px;
	width: 950px;
	height: 25px; 		/* hight verschiebt den ganzen Inhalt nach oben / unten */
	}	   	
	
}