/* Style Sheet created by: Hasan, Rabiul, 10/02/2019 */

/* Style for body specifies a background color or image*/
body {
	background: url('../images/bg.jpg');
	background-repeat: repeat-y;
}

a{
	text-decoration: none;
}

/*Style to create a fluid image*/
img {
	max-width:100%;
}

table {
	border-collapse: collapse; 
}


/* Styles for Mobile Layout */

/* Style for container centers the page and sets the element width */
#container {
	width: 100%;
	margin-left: auto;
	margin-right: auto;
}

/* Style for header specifies top and bottom margins, background color, rounded corners, and center-aligned content  */
header {
	margin-top: 0.2em;
	background-color: #fff;
	opacity: .95;
	border-radius: 0.2em;
	text-align: center;
	}
	
	.gradient {
  position: relative;
  min-height: 200px;
  background-image: linear-gradient(
    to right,
    hsl(211, 100%, 50%),
    hsl(179, 100%, 30%)
  );
  z-index: 1;
}

.gradient::before {
  position: absolute;
  content: "";
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: linear-gradient(
    to bottom,
    hsl(344, 100%, 50%),
    hsl(31, 100%, 40%)
  );
  z-index: -1;
  transition: opacity 0.5s linear;
  opacity: 0;
}
.gradient:hover::before {
  opacity: 1;
}

/* Style for nav specifies text properties, padding, margins, and borders */
nav {
	font-family: georgia,"Times New Roman", serif;
	font-size: 100%;
	font-weight: bold;
	text-align: center;
	
}
/* Style specifies padding and margins for unordered list */
nav ul {
	padding: 0;
	margin-top: 0.5em;
	margin-bottom: 0.5em;
}

/* Style for nav li specifies the background color, rounded corners, removes bullet style, and applies margins and padding for list items within the navigation */
nav li {
	background-color: orange;
	opacity: .85;
	border-radius: 2em;
	list-style-type: none;
	margin: 0.3em;
	padding: 0.4em;
}

/* Style changes navigation link text color to teal and removes the underline */
nav li a {
	color: green;
	text-decoration: none;
}

/* Style displays the mobile class */
.mobile {
	display: inline;
}

/*Style hides the desktop class */
.desktop {
	display: none;
}

/* Style for the main element specifies a block display, text properties, margins, padding, rounded border, and border properties */
main {
	display: block;
	font-family:Baskerville, "Palatino Linotype", Palatino, "Century Schoolbook L", "Times New Roman", "serif"Arial, sans-serif;
	font-size: 1.5em;
	margin-top: 0.5em;
	padding: 1em;
	border-radius: 1em;
	background-color: #f0f0f0;
	opacity: .95;
	border-top: solid 0.2em #009933;
	border-bottom: solid 0.2em #009933;
}

/* Style for the footer specifies font size, text alignment, and top margin */
footer {
	font-size: .70em;
	text-align: center;
	margin-top: 2em;
	background-color: aliceblue;
	border-radius: 0.2em;
		
}

/*Style hides the tablet class */
.tablet {
	display: none;
}

/* Style rule specifies to not display the equip class */
.equip {
	display: none;
}



/* Media query for tablet viewport targets screen size with a minimum width of 660px. */
@media only screen and (min-width: 660px) {
	
/* Style specifies a horizontal display for navigation links */
	nav li {
		display: inline;
		float: left;
		margin-left: 1%;
		margin-right: 1%;
		padding-left: 0;
		padding-right: 0;
		width: 18%;
		white-space: nowrap;
	}
	
	/* Style specifies clear and top margin properties for the main element */
	main {
		clear: left;
		margin-top: 4em;
	}
	
	/* Style specifies to hide the mobile class */
	.mobile {
	display: none;
	}
	
	/* Style specifies to display the desktop class */
	.desktop {
		display: inline;
	}
	
	/* Style specifies a display, float, and padding for the equip class */
	.equip {
		display: inline;
		float: left;
		margin-right: 1.5em;
	}
	
	/* Style specifies a display, list-style-position, and bottom margin for the items class */
	.items {
		display: block;
		list-style-position: inside;
		margin-bottom: 5em;
	}
	
	/* Style specifies to display the tablet class */
	.tablet {
		display: block;
	}
	
	/* Style specifies a font weight and top margin for description list terms */
	dt {
		font-weight: bold;
		margin-top: 0.7em;
	}

/* Style rule for the copyright div */
#copyright {
	float: left;
	width: 100%;
	background-color: aliceblue;
	border-radius: 0.2em;
	}

/* Style rule for social div */

	
	}

/* Style rule for social media icons */
#social img {
	padding: 0.5em;
	}
}


/* Media query for desktop viewport targets screens with a minimum width of 830px. */

@media only screen and (min-width: 830px) {
	
/* Style specifies a width for container */
	#container {
		width: 80%;

	}
/* Style specifies margin and padding for the unordered list within the nav */
	nav ul {
		margin: 0;
		padding-left: 0.50%;
		padding-right: 0.50%;
	}
	
/* Style for navigation list items specifies a border radius, border, margin, width, and padding */
	nav li{
		border-radius: 0;
		border-top: solid #000000;
		border-bottom: solid #000000;
		margin-left: 0;
		margin-right: 0;
		padding: 0;
		width: 20%;
	}
	
/* Style for navigation links specifies display and padding */
	nav li a {
		display: inline-block;
		padding: 0.7em;
	}

/* Style rules for pseudo-classes */
	nav li a:link {
		color: #008080;
	}
	
	nav li a:visited {
		color: #86003E;
	}
	
	nav li a:hover {
		color: blue;
		font-style: italic;
	}
	
	nav li a:active {
	color: #000;
	}
	
	
	
/* Style specifies border, shadow, margin, and padding for main element */
	main {
	border-style: none;
	box-shadow: 0.5em 0.5em 0.5em #404040;
	margin-bottom: 1em;
	margin-top: 1em;
	color: #000000;
	text-align: left;
	font-size: 1.5em;
	}

/* Style specifies left and right padding for paragraph elements within the main element */
	main p {
	padding-left: 0.5em;
	padding-right: 0.5em;
	font-size: 1.5em;
	}

/* Style specifies a bottom margin for the items class */
	.items {
		margin-bottom: 6em;
	}
}

/* Style rule for the video class */ 
.video {
	float : left;
	padding: 0;
	margin-bottom: 1%;
	text-align: center;
	border: 0.5em ridge #FFFFFF;
	height: auto;
	max-width: 80%;
}
	
.video-responsive{
    overflow:hidden;
    padding-bottom:56.25%;
    position:relative;
    height:0;
}
.video-responsive iframe{
    left:0;
    top:0;
    height:100%;
    width:100%;
    position:absolute;
}