@charset "UTF-8";
body {
	background-color: ada8ac;
	margin: 0 auto 0 auto;
	width:1000px;
}

.relative{
	position:relative;
	width: 900px;
}
.absolute{
	position:absolute;
	right: 00px;
	top: 00px;
}

<style>
	section img{
	max-width: 100%;
}

.simulator{
float: left;
	margin: 0 auto 0 0;
	width:100%;
}
.center{
float: left;	
	margin: 0 auto 0 0;
	width:1000px;
}

ul {
	overflow: hidden;
	margin: 0;
	padding: 0;
	list-style-type: none;
}

li{
	float: left;
	margin-right: 0%;
	width: 7%;
}
</style>