@charset "utf-8";
/*
   New Perspectives on HTML5 and CSS3, 7th Edition
   Tutorial 1
   Case Problem 2
   Filename: ms_layout.css

   This file contains the layout styles used at Math Strings

*/

/* =============================================
	Base layout styles used by mobile devices
	up to 480px and cascaded to larger devices 
	unless superceded by other styles.
   =============================================
*/


html {
	height: 100%;
	margin: 0; padding: 0; border: 0;
	background-color: white;
}

body {
	margin: 0px auto auto auto;
	width: 100%;
	min-width: 320px;
	background-color: white;
	font-family: Segoe, "Segoe UI", "DejaVu Sans", "Trebuchet MS", Verdana, sans-serif;
	font-size: 16px;

}

body header {
	width: 100%;
	height: 50px;
	overflow: hidden;
}

body header img {
	width: 100%;
}


nav h1 {
	font-size: 0.9em;
	text-align: center;
	border-top: 1px solid rgb(151, 151, 151);
	width: 75%;
	margin: auto;
}

nav ul {
	font-size: 0.85em;
}

nav ul li {
	text-align: center;
}

nav ul li a, nav ul li a:visited {
	color: #505050;
	text-decoration: none;
}

nav ul li a:hover, nav ul li a:active {
	text-decoration: underline;
	color: black;
}

article, aside {
	width: 92%;
	margin: 0 4%;
}

article h1, aside h1, nav h1 {
	font-size: 1.1em;
	margin-bottom: 3px;
}

article img {
	width: 100%;
}

article p, aside p {
	font-size: 0.85em;
}

code {
	display: block;
	font-size: 0.9em;
	font-family: Baskerville, "Palatino Linotype", Palatino, "Century Schoolbook L", "Times New Roman", serif;
	text-indent: 10px;
}

var {
	font-family: Baskerville, "Palatino Linotype", Palatino, "Century Schoolbook L", "Times New Roman", serif;
}

footer {
	clear: both;
	font-size: 0.9em;
	color: white;
	background-color: #383838;
	text-align: center;
	padding: 5px 0px;
	border-top: 2px solid #282828;
	margin-top: 30px;
}

/* =============================================
	Tablet layout styles used by devices
	481px to 768px and cascaded to larger 
	devices.
   =============================================
*/


@media only screen and (min-width: 481px) {

body {
	font-size: 18px;
	min-height: 100%;
}

body header {
	width: 100%;
	height: auto;
	overflow: auto;
}

nav, aside {
	width: 34%;
	float: left;
	margin: 0px 2% 0px 4%;
}

article {
	float: left;
	width: 58%;
	margin: 0px 0px 30px 2%;
}

article p {
	font-size: 1em;
}

article h1 {
	font-size: 1.3em;
	margin-bottom: 0px;
}

aside h1 {
	font-size: 1em;
}

aside p {
	font-size: 0.95em;
}

aside code {
	font-size: 1.1em;
	background-color: rgb(231, 231, 231);
}

nav {
	background-color: #C0C0C0;
}

nav h1 {
	font-size: 1em;
	text-align: left;
	border-top: none;
	margin: 5px;
}

nav ul {
	font-size: 0.9em;
}

nav ul li {
	text-align: left;
	margin: 10px 10px;
}



}

/* =============================================
	Desktop layout styles used by  devices
	769px and larger.
   =============================================
*/

@media only screen and (min-width: 769px) {

html {
	background-color: #828282;
}

body {
	width: 90%;
	max-width: 1020px;
	-moz-box-shadow: rgba(61, 61, 61, 0.9) 20px 0px 25px,  rgba(61, 61, 61, 0.9) -20px 0px 25px;
	-webkit-box-shadow: rgba(61, 61, 61, 0.9) 20px 0px 25px,  rgba(61, 61, 61, 0.9) -20px 0px 25px;
	box-shadow: rgba(61, 61, 61, 0.9) 20px 0px 25px,  rgba(61, 61, 61, 0.9) -20px 0px 25px;
}

}