/* px to em conversion (default = 16px)*/
/* 18px = 1.125em */
/* 16px = 1em     */
/* 14px = 0.875em */
/* 12px = 0.75em  */
/* 10px = 0.625em */
/*  8px = 0.5em   */
/*  6px = 0.375em */
/*  4px = 0.25em  */

/****** CSS Clear ******/

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td { 
	margin:0;
	padding:0;
}
table {
	border-collapse:collapse;
	border-spacing:0;
}
fieldset,img { 
	border:0;
}
address,caption,cite,code,dfn,em,th,var {
	font-style:normal;
	font-weight:normal;
}
ol,ul {
	list-style:none;
}
caption,th {
	text-align:left;
}
h1,h2,h3,h4,h5,h6 {
	font-size:100%;
	font-weight:normal;
}
q:before,q:after {
	content:'';
}
abbr,acronym { border:0;
}

/********** end css clear ************/

/********** begin layout **********/
html, body {
	background-color: #ddd; 
	/*
	background-image: url('images/css/background.jpg');
	background-repeat: repeat;
	*/
	font-family: Verdana, sans-serif, arial;
	font-size: 14px;
	color: #555;
}

#Container {
	margin: 0 auto; /*center on page*/
	text-align: left;
	width: 85%;
	background-position: center;
	}

.content_body {
	background-color: #fff;
	border: 1px solid #bbb;
	-webkit-box-shadow: 5px 3px 10px 0px #aaa;
	box-shadow: 5px 3px 10px 0px #aaa;
	padding: 40px 60px 40px 60px;
	margin: 30px auto 30px auto;
	position:relative;
	overflow:auto;
	max-width: 900px;
	min-width: 300px;
}

h1, h2, h3, h4, h5 {
	padding: 10px 0 10px 0;
	font-weight: bold;}
	
h1 {
	font-size: 2em;}
	
h2 {
	font-size: 1.8em;}
	
h3 {
	font-size: 1.5em;}
	
h4 {
	margin-left:1.2em;}

p {
	line-height: 20px;
	padding-bottom: 20px;
	/*text-align: justify;*/}

#Footer {
	width:475px;
	margin: 0 0 0 70px;
	text-align: center;
	color: #aaa;
	font-size: 0.875em;}

	
/********** end layout **********/
/********** begin styles **********/

	
a {
	color: #9b9bcc;}
	
ol, ul {
	list-style-position: outside;
	margin: 0 0 0 20px;
	padding: 0;
	/*list-style: none;*/}

ul {
	list-style-type:circle;
	margin: 0 30px 20px 40px;}

li {
	margin: 0 0 10px 20px;}

.codedirection {
	unicode-bidi: bidi-override;
	direction: rtl;}

	
/************************************************************* tables *********************************************************************/
.grid
{
	border-collapse: collapse;
	border: 1px solid #777;
	line-height: 150%;
	margin: 10px 0 20px 0;
	white-space: nowrap;
}

.grid th {
	padding: 8px;
	font-weight: bold;
	text-align: center;
	background: #ddd;
	background: -moz-linear-gradient(top, #dddddd 25%, #cccccc 100%);
	background: -webkit-gradient(linear, left top, left bottom, color-stop(25%,#dddddd), color-stop(100%,#cccccc));
	background: -webkit-linear-gradient(top, #dddddd 25%,#cccccc 100%);
	background: -o-linear-gradient(top, #dddddd 25%,#cccccc 100%);
	background: -ms-linear-gradient(top, #dddddd 25%,#cccccc 100%);
	background: linear-gradient(to bottom, #dddddd 25%,#cccccc 100%);
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#dddddd', endColorstr='#cccccc',GradientType=0 );
	border: 1px solid #aaa;}

.grid td {
	padding: 8px;
	background: #eee;
	border: 1px solid #aaa;}
	
/*********** warning and info **********/

div.warning, div.info {
	padding-top: 15px;
	padding-left: 10px;
	padding-right: 10px;
	margin: 10px 0 20px 0;
	overflow: hidden;
	display: block;}
	
.warning img, .info img {
	float: left;
	margin: 0 10px 10px 0;}

div.warning {
	border: 1px #FFD0D0 solid;
	background-color: #FFE0E0;
}

div.info {
	border: 1px #d0d0ff solid;
	background-color: #e0e0ff;}
	
div.top {
	margin: 0 auto; 
	text-align:center;
	padding-top:20px;}

.copy_protect {
    display:none; }
	
.right {
	text-align:right;
	float:right;}
	
.center {
	text-align:center;} 
	
.bold {
	font-weight:bold;}
	
.lighter {
	font-weight:lighter;}
		
.small {
	font-size:12px;
	margin:0;
	padding:0 0 8px 0;}
	
.big {
	font-size: 20px;
	display:inline-block;}
	
.bigger {
	font-size: 24px;
	margin-bottom: 30px;
	display:inline-block;}
	
.italic {
	font-style:italic;}
	
.equation {
	margin: 10px 80px 10px 80px;
	text-align: left;
	font-size: 12px;}