.center { text-align:center; }
.right { text-align: right; }
body { background-color: khaki; }
img { pointer-events: none; }

#caution::before { 
	content:"※"; 
	padding-right: 5px;
	color: red;
}
#caution {
	margin-left: 8px;
	margin-bottom: 38px;
}

#python_koza h3 {
	padding-left: 5px;
	border-left: 4px double grey;
	border-bottom: 4px solid grey;
}

.keyword { margin-left: 3em; }