#wrapper {width: 95%;
			text-align: center;
			margin-left: auto;
            margin-right: auto;
            overflow: auto;}
            
#informaticslogo {width: 40%;
					margin-left: 30%;
					margin-right: 30%;}

hr {width: 80%;
	background-color: #888888;}
            
header {text-align: center;}
            
header h1 {font-family: Helvetica, sans-serif;}
            
fieldset {margin-bottom: 2%;
			border: none;} 
			
form {display: flex;
		flex-flow: column nowrap;}
            
#part1 {border: 4px solid #A1A1A1;
		border-radius: 8px;
		margin: auto;
		margin-bottom: 20px;
		width: 50%;}
            
#part2 {border: 4px solid #A1A1A1;
		border-radius: 8px;
		margin: auto;
		margin-bottom: 20px;
		width: 50%;}
            
input[type="submit"] {display: inline;
						margin-left: 45%;
						margin-right: 45%;
						padding: .5%;
						font-size: 1.2em;
						font-family: Helvetica, sans-serif;
						background-color: #f19b2b;
						color: #ffffff;
						border-radius: 3px;
						box-shadow: 1px 3px 3px #444444;}

#rangevalue {width: 2em;}