body{
			background-color:black;
			color:white;
			margin: 50px;
		}
		.important{
			color:red;
			font-size:20px;
		}
		a{
			color:lightblue;
		}
		#important{
			color:red;
			font-size:20px;
		}
		.sample_code{
			color:orange;
			border: lightcyan 1px solid;
			width: 1100px;
			padding: 5px;
			margin: 5px;
		}
		.comment{
			color:gray;
		}
		.keyword{
			color:pink;
		}
		
		
		table{
			border: #000 1px solid;
		}
		p{
			width: 1200px;
			color:white;
			font-size:18px;
			
		}
		
		li{
		font-size:18px;
		color: white;
		}
		
		#kaisetsu{
			font-size: 16px;
			
		}