* {
  box-sizing: border-box;
}

body {
	margin: 20px;
	font-family: Verdana, Georgia, Arial, sans-serif;
	font-size: 12pt;
	color: rgb(40,40,40);
	color: rgb(60,60,60);
}

img.shaddow {
 border: none;
 box-shadow: 2px 4px 80px 2px rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19); 
}

img.shaddow:hover {
 border: none;
 box-shadow: 2px 2px 1px 2px rgba(0,0,0,0.8);
 box-shadow: 1px 2px 40px 1px rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.79); 
}

a.internal {
	color: white;
	background: rgb(0,180,180);
    background: rgb(0,140,140);
	text-decoration: none;
	margin: 5px;
    padding: 5px;
	padding-left: 10px;
	padding-right: 10px;
	display: inline-block;
	border-radius: 25px;
}


a.internal:hover {
	color: yellow;
    font-weight: bold;
}


a.external {
	color: white;
	background: rgb(0,180,180);
    background: rgb(0,140,140);
	text-decoration: none;
	margin: 5px;
    padding: 5px;
	padding-left: 10px;
	padding-right: 10px;
	display: inline-block;
	border-radius: 25px;
}

a.external:hover {
	color: yellow;
    font-weight: bold;
}


.fullWidth{
	width: 100%;
	overflow: auto;
}

.left{
	float: left;
}

.center{
	text-align: center;
	overflow: auto;
	font-weight: bold;
}


div.price{
	font-size: 3.5vw;
	color: white;
	background-color: DodgerBlue;	
	background-color: Red;
	margin-top: -20px;
	text-align: center;
	padding: 5px;
}

div.title{
	padding-top: 20px;
	padding-bottom: 20px;
	margin: 0px;
	font-family: arial;
/*	font-size: 28pt; */
	color: #004444;
	color: white;
/*	text-align: center; */
	background-color: #227575;
	text-align: left;
    background-image: radial-gradient(rgb(0,100,100),rgb(0,180,180));
    border-radius: 25px 25px 0px 0px;
}



div.logoText{
/*	
	padding-top: 20px;
	padding-bottom: 20px;
	margin: 0px;
	font-family: arial;
*/	
	font-size: 18pt;
	text-align: left;
	margin-top: 14px;

/*	
	color: #004444;
	color: white;
	text-align: center;
	background-color: #227575;
*/	
} 




h1.title {
	padding-top: 20px;
	padding-bottom: 2px;
	margin: 0px;
    margin-bottom: 25px;
	font-family: arial;
	font-size: 18pt;
	color: rgb(31,73,125);
    color: rgb(100,100,100);
    color: rgb(70, 101, 191);
    
    /* color: #004444; */
	text-align: center;
}


h2.title {
/*	float: left; BREAKS SITE LAYOUT!!! */
  width: 100%;
  margin-top: 25px;
  margin-top: 50px;
  margin-bottom: 2px;
  font-size: 14pt;
  color: rgb(31,73,125);
  color: rgb(100,100,100);
  color: rgb(70, 101, 191);
  /* color: #004444; */
}

.highlight {
    color: rgb(0,100,100);
}

.bold {
    font-weight: bold;
}


h4 {
	text-align: left;
  width: 100%;
  margin-bottom: 2px;
}

span.hyperlink{
	text-decoration: underline;
	cursor: pointer;
	color: blue;
}


/*** NEW MENU ***/
/* Navbar container */
.navbar {
/*  display: inline; */	/* none */
  overflow: hidden;
  background-color: #333;
  background-color: #004444;
  font-family: Arial;
}

/* Links inside the navbar */
.navbar a {
  float: left;
  font-size: 12pt;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

.navbar a:hover {
    color: yellow;
    font-weight: bold;
}




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


/* Dropdown button */
.dropdown .dropbtn {
  font-size: 12pt;
  border: none;
  outline: none;
  color: white;
  padding: 4px 16px;  /* 14px 16px; */
  background-color: inherit;
  font-family: inherit; /* Important for vertical align on mobile phones */
  margin: 0; /* Important for vertical align on mobile phones */
}

/* Add a red background color to navbar links on hover */
.navbar a:hover, .dropdown:hover .dropbtn {
  /* background-color: red; */
  background-color: #339999;
}

/* Dropdown content (hidden by default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.8);
  z-index: 1;
}

/* Links inside the dropdown */
.dropdown-content a {
  float: none;
  color: black;
/*  padding: 12px 16px; */
padding: 8px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

/* Add a grey background color to dropdown links on hover */
.dropdown-content a:hover {
  background-color: #ddd;
}

/* Show the dropdown menu on hover */
.dropdown:hover .dropdown-content {
  display: block;
}

/*** END NEW MENU ***/






img.cover {
	display: block;
	border: 1px solid;
	padding: 10px;
	margin-left: auto;	
	margin-right: auto;
}

/*
img.pictureCube {
	width: 100%;
	display: block;
	padding: 10px;
	margin-left: auto;	
	margin-right: auto;

}
*/

img.diagram {
	width: 100%;
	display: block;
	padding: 10px;
	margin-left: auto;	
	margin-right: auto;
/*	padding-top: 40px; */
}



.list {
	line-height: 150%;
}

.amazonList {
	line-height: 150%;
    list-style-type: none;
}



img.left{
	width: 40%;
	float: left;
}

img.pictureCube{
	width: 40%;
	float: left;
}

img.floatLeft{
	float: left;
	margin-right: 15px;
	margin-top: 10px;
	margin-bottom: 40px;
}


/* ADVERT CARD*/

img.pointer {
cursor: pointer;
}

img.overlayImage {
	float: left;
	width: 60%;
	height: 75%;
	max-width: 640px;
}


ul.overlay {
	float: left;
	margin: 3px;
	margin-top: 5.5vw;
/*	font-size: 2vw; */
/*    line-height: 5vw; */
	line-height: 200%;
}


div.overlay {
	display: none;
	position: fixed;
	overflow: auto;
	background-color: rgba(0,0,0, 0.7);
/*	display: none; */
	top: 0px;
	left: 0px;
	width: 100%;
	height: 100%;
}

div.overlayCard {
	position: relative;
	width: 95%; /* 90% */
	max-width: 700px;
/*	min-width: 400px; */
	top: 5%; /* 10% */
	background-color: white;
	border-color: white;
	border-style: solid;
	margin: auto;
	overflow: auto;
	background-color: rgb(240,240,240);
}

/*
div.closeButton {
	position: absolute;
	width: 4.5vw;
	height: 4.5vw;
	right: 0.4vw;
	top: 0.2vw;
	border-color: white;
	border-radius: 50%;
	border-style: solid;
	font-size: 3.5vw;
	font-weight: bold;
	cursor: pointer;
	color: white;
	background-color: DodgerBlue;	
}
*/

div.closeButton {
	position: absolute;
	width: 40px;
	height: 40px;
	right: 0px;
	top: 0px;
	border-color: white;
	border-radius: 20px;
	border-style: solid;
	font-size: 20pt;
	font-weight: bold;
	cursor: pointer;
	color: white;
	background-color: DodgerBlue;	
}






div.closeButton:hover {
	background-color: rgb(50,200,50);
}

div.centerText {
	position: absolute;
	text-align: center;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
}

div.productName {
	overflow: auto;
	font-size: 4.5vw;   /* 3 */
	text-align: center;
	color: white;
	background-color: #555555;
}

/* END ADVERT CARD*/

div.pageNav {
	text-align: center;
}


button.pageNumber {
	font-size: 14pt; /* 18pt; */
/*	font-weight: bold; */
	margin: 0px; /*4px; */
	padding: 4px;
    cursor: pointer;
    border-radius: 25px;
	width: 35px;
    background-color: white;
	color: black;
}

button.pageNumberHighlight {
	background-color: black;
	color: white;
}


/* USED FOR OMNI - DELETE WHEN NO LONGER REQUIRED */
div.boilerPlate {
  width: 100%;
  float: left;
  text-align: center;
}

/*
footer.boilerPlate {
  width: 100%;
  float: left;
  text-align: center;
}
*/

/********** EXPERIMENTAL **********************/
footer.boilerPlate {
	padding-top: 8px;
	padding-bottom: 8px;
	margin-top: 40px;
	font-family: arial;
	color: white;

	background-color: #227575;
	text-align: center;
    background-image: radial-gradient(rgb(0,100,100),rgb(0,180,180));
    border-radius: 0px 0px 25px 25px;
}
/********************************/




h5.boilerPlate {
	margin: 2px;
}


ol.spaced li{
	margin: 3px;
	margin-top: 20px;
	line-height: 150%;
}

ul.spaced {
	margin: 3px;
	margin-top: 3.5vw;
	line-height: 150%;
}

ul.index {
	margin: 3px;
/*	margin-top: 3.5vw; */
	line-height: 150%;
}


/* STC BOOK COVER */
img.book-cover {
	width: 40%;
	float: right;
	margin: 10px;
}


/* HOW TO IMPROVE YOUR DRIVING */
img.road-sign {
	width: 18%;
	float: right;
	margin: 10px;
}


/* STANDARD NOTATION PAGE*/
div.picCard {
    background-color: white;
	padding-top: 10px; 
    padding-bottom: 10px;
    margin-top: 1px;	
	float: left;
	width: 25%;
	text-align: center;
	font-weight: bold;
	box-shadow: 0 1px 8px 0 rgba(0,0,0,0.8); 
}

/* STANDARD NOTATION PAGE*/
img.diagram2 {
	width: 60%;
	padding-bottom: 5px; 
}


/*** MOBILE MENU ***/

/* HAMBURGER */
.hamburgerContainer {
  display: inline-block;
  cursor: pointer;
  float: left;
  padding-left: 10px;
  padding-right: 10px;  
}

.bar1, .bar2, .bar3 {
  width: 35px;
  height: 5px;
  background-color: cyan;
/*  background-color: rgb(255,255,255); */
  margin: 6px 0;
  transition: 0.4s;  
}

.change .bar1 {
  transform: translate(0, 11px) rotate(-45deg);
}

.change .bar2 {opacity: 0;}

.change .bar3 {
  transform: translate(0, -11px) rotate(45deg);
}
/* END HAMBURGER */


div.mobileMenu {
  display: none;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.8);  
}

div.mobileMenu div {
  color: black;
/*  padding: 8px 16px; */
  text-decoration: none;
  display: block;
}


.mobileMenu a {
  float: none;
  color: black;
  padding: 8px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.mobileMenu a:hover {
  background-color: #ddd;
}

/****************************************************/


div.mobileMenuSectionTitle {
	background-color: #004444;
    padding: 8px 16px;
	cursor: pointer;
	
	margin-top: 1px;
}

div.mobileMenuSectionTitle span{
	color: white;
}

span.plusMinus {
    float: right;
	color: cyan;
	font-family: Courier;
	font-size: 14pt;
	font-weight: bold;
}

div.mobileMenuSectionTitle span.plusMinus {
	color: cyan;
}


/****************************************************/



/* END MOBILE MENU */





/*** SCREEN WIDTH 0 to 399 AS DEFINED ABOVE ***/


@media only screen and (min-width: 400px) {
/*** SCREEN WIDTH 400 to 767 ***/	
 
 div.navbar {
	display: none;
 }


 div.logoText{
/*	 
	padding-top: 20px;
	padding-bottom: 20px;
	margin: 0px;
	font-family: arial;
*/	
	font-size: 26pt;
	text-align: left;
	margin-top: 0px;
/*	
	color: #004444;
	color: white;
	text-align: left;
	background-color: #227575;
*/	
 }
 
 img.diagram {
	width: 80%;
 }
 
}


@media only screen and (min-width: 768px) {
/*** SCREEN WIDTH 768 AND ABOVE ***/	
  /* For desktop: */

  
div.middleColumn {
    margin: auto;
	width: 768px;
 }

div.logoText{
/*	
	padding-top: 20px;
	padding-bottom: 20px;
	margin: 0px;
	font-family: arial;
*/	
	font-size: 28pt;
	text-align: center;
/*	
	color: #004444;
	color: white;
	text-align: center;
	background-color: #227575;
*/	
} 
 
 .bar1, .bar2, .bar3 {
  display: none;
 }

 
 div.navbar {
	display: block;
 }


 div.mobileMenu a {
  display: none;
 }

 div.mobileMenu hr {
  display: none;
 }

 div.mobileMenu div {
	 display: none;
 }

 img.diagram {
	width: 70%;
 }
}