.code-box {
	position: relative;
	background: #f8f8f8;
	border: 1px solid #DDDDDD;
	border-radius: 10px;
	margin: 15px 0;
	overflow: hidden;
}

.copy-btn {
	position: absolute;
	left: 0px;
	padding: 4px 12px;
	background: #2b8ff5;
	color: white;
	border: none;
	cursor: pointer;
	font-size: 12px;
	overflow: hidden;
	transition: background 0.3s;
}

.copy-btn:hover {
	color: #ffffff;
	background: #027fff;
}

pre {
	padding: 20px;
	padding-top: 40px;
	text-align: left;
	overflow-x: auto;
	font-family: 'Courier New', monospace;
}

li {
	margin: 0 26px;
	padding: 4px 0;
	text-align: left;
}

.li-style {
	margin-bottom: 20px;
}

.distance2{
	padding-top: 20px;
}