Incredibly Basic Slider

@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,300,600);
	html {
	border-top:5px solid #fff;
	background:#58DDAF;
	color:#2a2a2a;
}
html,body {
	margin:0;
	padding:0;
	font-family:'Open Sans';
}
h1 {
	color:#fff;
	text-align:center;
	font-weight:300;
}
#slider {
	position:relative;
	overflow:hidden;
	margin:20px auto 0 auto;
	border-radius:4px;
}
#slider ul {
	position:relative;
	margin:0;
	padding:0;
	height:200px;
	list-style:none;
}
#slider ul li {
	position:relative;
	display:block;
	float:left;
	margin:0;
	padding:0;
	width:500px;
	height:300px;
	background:#ccc;
	text-align:center;
	line-height:300px;
}
a.control_prev,a.control_next {
	position:absolute;
	top:40%;
	z-index:999;
	display:block;
	padding:4% 3%;
	width:auto;
	height:auto;
	background:#2a2a2a;
	color:#fff;
	text-decoration:none;
	font-weight:600;
	font-size:18px;
	opacity:0.8;
	cursor:pointer;
}
a.control_prev:hover,a.control_next:hover {
	opacity:1;
	-webkit-transition:all 0.2s ease;
}
a.control_prev {
	border-radius:0 2px 2px 0;
}
a.control_next {
	right:0;
	border-radius:2px 0 0 2px;
}
.slider_option {
	position:relative;
	margin:10px auto;
	width:160px;
	font-size:18px;
}