* {
	margin:0;
	padding:0;
}
div {
	margin:0 auto;
	width:400px;
}
div>h4 {
	padding:10px 0;
	text-align:center;
	color:rgb(255,0,255);
}
ul {
	list-style:none;
	color:#424242;
}
ul::before {
	display:block;
	padding:8px 10px;
	background-color:skyblue;
}
ul#calcFloat::before {
	content:"calcFloat(n)";
}
ul#toFixed::before {
	content:"toFixed(n)";
}
ul>li {
	padding:8px 10px;
	font-size:14px;
	font-weight:400;
}
ul#calcFloat {
	float:left;
}
ul#toFixed {
	float:right;
}
ul#calcFloat>li {
	background-color:#ccc;
}
ul#toFixed>li {
	background-color:#F9FBE7;
}