/*Style Features for the Header*/
.header {
	border-width: 1px;
	border-style: dotted;
	background-color: #9370DB;
	padding: 25px;
	margin-top: 1px;
}

#banner {
	max-width: 100%;
	height: auto;
}

/*General Style Features of All Pages*/
body {
	background-color: #FFFAFA;
	margin: auto;
	border: 2px dotted black;
	padding: 10px 10px 10px 10px;
	font-family: Verdana, Geneva, Arial, sans-serif;
	font-size: medium;
}

h1 {
	border-bottom: 1px solid black;
	text-align: center;
	font-size: 160%;
}

h2 {
	font-size: 140%;
	color: #4B0082;
}

h3 {
	font-size: 120%;
	color: #483D8B;
}

h4 {
	font-size: 100%;
	color: #483D8B;
}

a:link {
	color: blue;
}

a:visited {
	color: #9932CC;
}

/*Overarching Style Features for the Navigation Bar*/

/* Navbar container */
.navbar {
	overflow: hidden;
	background-color: #8A2BE2;
	font-family: Verdana, Geneva, Arial, sans-serif;
	font-weight: 800;
}

/*Navigation bar color for active pages*/
.navbar a.active {
		background-color: #4B0082;
}

/*Navigation bar color for content categories currently being viewed*/
#highlight {
	background-color: #4B0082;
}

/*Display features for links inside navigation bar*/
.navbar a {
	float: left;
	font-size: 140%;
	color: white;
	text-align: center;
	padding: 20px 25px;
	text-decoration: none;
}	

/*Dropdown container*/
.dropdown {
	float: left;
	overflow: hidden;
}

/*Dropdown button*/
.dropdown .dropbtn {
	font-size: 140%;
	font-weight: 800;
	border: none;
	outline: none;
	color: white;
	padding: 20px 25px;
	background-color:  inherit;
	font-family: inherit;
	margin: 0;
}

/*Navigation bar color when hovering over links*/
.navbar a:hover, .dropdown:hover .dropbtn {
  background-color: #9370DB;
  color: white;
}

/*Hidden dropdown content*/
.dropdown-content {
	display: none;
	position: absolute;
	background-color: #9370DB;
	min-width: 160px;
	box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
	z-index: 1;
}

/*Links inside the dropdown menu*/
.dropdown-content a{
	float: none;
	color: black;
	padding: 12px 16px;
	text-decoration: none;
	display: block;
	text-align: left;
}

/*Background color to dropdown links on hover*/
.dropdown-content a:hover {
	background-color: #4B0082;
	color: white;
}

/*Show dropdown menu when hovering*/
.dropdown:hover .dropdown-content {
	display: block;
}

/*Overarching Style Features for the Page Layouts*/
.tableContainer {
	display: table;
	border-spacing: 10px;
}

.tableRow {
	display: table-row;
}

/*Specialized Style Features for the Content of my Columns*/
.vertNavsidebar {
	display: table-cell;
	background: #E6E6FA;
	font-size: 100%;
	padding: 15px;
	vertical-align: top;
	text-align: center;
	width: 12.5%;
}

.vertNavsidebar h3{
	border-bottom: 1px solid #4B0082;
}

.main {
	display: table-cell;
	background: #E6E6FA;
	font-size: 100%;
	padding: 15px;
	vertical-align: top;
	width: 75%;
}

.main h3 {
	color: #800080;
	text-decoration: underline dashed;
}

.externalContentsidebar {
	display: table-cell;
	background: #E6E6FA;
	font-size: 100%;
	padding: 15px;
	vertical-align: top;
	text-align: center;
	width: 12.5%;
}

.externalContentsidebar h3 {
	border-bottom: 1px solid #4B0082;
}

.externalContentsidebar p {
	line-height: 1;
}

/*Style Features for References Box*/
#references {
	border-color: black;
	border-width: 1px;
	border-style: dashed;
	padding: 0px 30px;
	margin: auto;
	background-color: white;
}

#references h4 {
	text-decoration: underline #4B0082;
}

/*Settings for My Figures & Their Captions*/
figure {
  display: block;
  margin: auto;
}

#photos_reference {
	text-align: center;
	font-size: 90%;
	text-decoration: underline dotted;
}

/*Settings & Responsive Web Design Elements for My Tutorial Videos*/
#video {
	position: relative;
	overflow: hidden;
	width: 100%;
	padding-top: 56.25%;
}

.responsive-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
}

/*Responsive Web Design Elements for My Photos*/
.photos {
	max-width: 100%;
	height: auto;
}

/*Overarching Style Features for the Footer*/

/*Global footer for every page with disclaimer.*/
#footer {
	border-width: 1px;
	border-style: dotted;
	background-color: #9370DB;
	padding: 25px;
	font-style: italic;
	font-family: Verdana, Geneva, Arial, sans-serif;
	color: white;
	text-align: center;
	margin-top: 0px;
	font-size: medium;
}
/*Responsive Web Design Features*/

/*===============Images=================*/

img {
	height: auto;
	max-width: 100%;
}

/*=============Media Query===============*/

/*Medium-sized screens like tablets*/
@media screen and (max-width: 992px) {
	.header {
		max-width: 100%;
		margin: 0;
		height: auto;
	}
	
	.navbar {
		position: relative;
	}
	.navbar a {
		float: none;
		display: block;
		width: 100%;
	}
	.navbar .dropdown {
		float: none;
		width: 100%;
	}
	.navbar .dropdown-content {
		position: relative;
	}
	.navbar .dropdown .dropbtn {
		display: block;
		width: 100%;
	}
}

/*Small screens like mobile phones*/
@media screen and (max-width: 600px) {
	.header {
		max-width: 100%;
		margin: 0;
		height: auto;
	}
	.navbar {
		position: relative;
	}
	.navbar a {
		float: none;
		display: block;
		width: 100%;
	}
	.navbar .dropdown {
		float: none;
		width: 100%;
	}
	.navbar .dropdown-content {
		position: relative;
	}
	.navbar .dropdown .dropbtn {
		display: block;
		width: 100%;
	}
	.vertNavsidebar, .main, .externalContentsidebar {
		font-size: 85%;
	}
}