* {
	box-sizing: border-box;
	padding: 0;
	margin: 0;
}
body {
	font-size: 100%;
	font-weight: 300;
	color: #888;
	width: 100%;
}
img {
	max-width: 100%;
}
nav {
	border: 0;
	-o-transition: all .3s;
	-moz-transition: all .3s;
	-webkit-transition: all .3s;
	-ms-transition: all .3s;
	transition: all .3s;
	text-align: left;
	margin-left: 30px;
	visibility: hidden !important;
}
header {
	display: block;
	background-image:url(../../images/ebook-banner/lecon2.PNG);
	background-repeat: no-repeat;
    margin: 0 auto;
	width: 850px;
	height: 208px;
    position: relative;
}

.small-grid .pencil {
	background-image: url(../../images/01-52.png);
	background-repeat: no-repeat;
	background-position: center;
	background-size: 100%;
	height: 40px;
	width: 40px;
	margin: 10px 0 0 5px;
	display: none !important;
}
.small-grid .headphones {
	background-image:url(../../images/headphones.png);
	background-repeat: no-repeat;
	background-position: center;
	background-size: 100%;
	height: 40px;
	width: 40px;
	margin: 10px 0 0 5px;
    display: none !important;
}
.head_number {
	display: block;
	width: 15px;
	height: 20px;
	color: #000;
	text-align: center;
	position: relative;
	left: 10px;
	font-family: 'PFTransport-Regular';
	top: 10px;
	font-weight: 600;
	display: none !important;
}

.small-grid .exer_number {
	margin: 15px 0 0 5px;
}
.number {
	display: block;
	width: 32px;
	height: 32px;
	text-align: center;
	position: relative;
	font-family: "PFCentroSlabPro-Medium";
	font-weight: bold;
	border-radius: 50%;
	line-height: 1.4em;
	background-color: #69c8c7;
	color: #ffff;
	font-size: 23px;
}
.small-grid, .item-grid {
	width: 80%;
	padding: 0;
	margin: 0;
}
.item-grid li {
	list-style-type: none;
	margin: 0 17px 40px 15px;
	padding: 0;
	display: inline-block;
 *display: inline;
	zoom: 1;
	vertical-align: top;
}
.small-grid li {
	/*border: 1px solid rgba(0, 0, 0, 0.2);*/
	list-style-type: none;
	padding: 0;
	display: inline-block;
 *display: inline;
	zoom: 1;
	vertical-align: top;
}
.small-grid .left {
	margin: 5px -28px 0 -5px;
	height: auto;
	text-align: center;
}
.small-grid .center {
	margin: 20px 0 0 5px;
	height: auto;
}

/*---------------- header -----------------------*/
.container {
	width: 900px;
	display: block;
	text-align: center;
	background: #FFF;
}
section {
	width: 900px;
	margin: 0 auto;
	background: #FFF;
}
.prosfonisi > p {
	line-height: 1.3em;
	color: #000;
	font-size: 20px;
	font-weight: normal;
	font-family: 'PFCentroSlabPro-Medium';
	text-align: left;
}

/*-------------------title--------------------------*/
.column {
	padding: 0;
	display: inline-block;
	vertical-align: top;
	margin: 0 auto;
	
}
.column.image {
	background-image:url(../../images/Theory/p57_theory2.png);
	background-repeat: no-repeat;
    height: 218px;
    width: 526px;
	
	
}

.clearfix {
	width: 100%;
	clear: both;
	height: 20px;
}
.drag-grid {
	display: block;
	text-align: center;
	height: 100px;
	margin: 15px auto 0 auto;
	padding: 0;
	border-top: 2px #00617f solid;
	border-bottom: 2px #00617f solid;
	width: 60%;
}
.drag-grid li {
	list-style-type: none;
	margin: 7px 5px 0 5px;
	padding: 0;
	display: inline-block;
 *display: inline;
	zoom: 1;
	vertical-align: top;
	cursor: all-scroll;
	z-index: 1;
}
.drag-grid li {
	/* background-color: #6FC696; */
	width: auto;
	padding: 3px;
	height: auto;
	font-size: 15px;
	color: #000;
}
label {
	top: 0;
	color: #000;
	font-size: 17px;

	display: block;
	padding: 1px;
	text-align: left;
	line-height: 1.8em;
}

.greyspan {
	width: 100px;
	display: inline-block;
	color: #999;
	text-align: right;
}
.input2 {
	width: 340px;
	text-align: left;

	border: none;
	position: relative;
	border-bottom: 1px dashed #000;
	font-size: 16px;
	background: none;
	padding: 0;
	top: 0;
	left: 0;
	margin: 0;
}
.input1 {
width: 29px;
text-align: center;
font-family: 'PFReminder-Medium';
border: none;
position: relative;
font-size: 16px;
box-shadow: rgba(0, 0, 0, 0.25) 0px 14px 28px, rgba(0, 0, 0, 0.22) 0px 10px 10px;
padding: 0;
top: 0;
left: 0;
margin: 0;
height: 29px;
border: 1px solid #69c8c7;
border-radius: 50%;
background-color: #fff
}

.exer1{position: relative;top: 235px;left: -120px;}
.exer2{position: relative;top: 105px;left: -135px;}
.exer3{position: relative;top: 245px;left: 40px;}
.exer4{position: relative;top: 240px;left:225px;}
.exer5{position: relative;top: 40px;left: -15px;}
.exer6{position: relative;top: 15px;left: 138px;}


.grey {
	color: #999
}

input[type="text"]:disabled {
	color: #000;
}
.left_ {
	margin-left: 1.3em
}
.left_x {
	margin-left: 1em
}
span.red {
	color: #F00;
}
input[type="text"]:disabled {
	color: #006595;
	font-size: 17px;
}
input:focus {
	border-bottom-color: #83b4db;
	-webkit-box-shadow: 0 0 0 0 white, 0 2px 2px #83b4db;
	-moz-box-shadow: 0 0 0 0 white, 0 2px 2px #83b4db;
	box-shadow: 0 0 0 0 white, 0 2px 2px #83b4db;
	background: #faf0b7;
}

span.items {
	font-size: 18px;
	cursor: all-scroll;
	z-index: 1;
	line-height: 1.8em;
	color: #231f20;
	
}
span.blue {
	color: #006595;
	line-height: 1.8em;
}


textarea {
	padding: 10px;
}
textarea {
	display: block;
	box-sizing: padding-box;
	overflow: hidden;
	padding: 4px;
	width: 250px;
	font-size: 14px;
}
footer {
	left: 0;
	bottom: 0;
	height: 100px;
	width: 100%;
	overflow: hidden;
}