* {
	box-sizing: border-box;
	padding: 0;
	margin: 0;
}
body {
	font-size: 100%;
	font-weight: 300;
	color: #888;
	width: 100%;
}
a:link {
	text-decoration: none;
}
a:visited {
	text-decoration: none;
}
a:hover {
	text-decoration: none;
}
a:active {
	text-decoration: none;
}
img {
	max-width: 100%;
}
.container {
	width: 1000px;
	display: block;
	text-align: center;
	background: #FFF;
}
section {
	width: 1000px;
	margin: 0 auto;
	background: #FFF;
}

.column {
	display: inline-block;
	width: 80%;
	margin: 2% auto;
	vertical-align: top;
	text-align: left;
}
.column.image_left {
	height: 622px;
	background: url(../../images/Cover-pages/30.png);
	
	background-repeat: no-repeat;
	width: 450px;
}
.column.image_right {
	height: 622px;
	background: url(../../images/Cover-pages/31.png);
	
	background-repeat: no-repeat;
	width: 450px;
}
.clearfix {
	width: 100%;
	clear: both;
	height: 20px;
}
footer {
	left: 0;
	bottom: 0;
	width: 100%;
	overflow: hidden;
}
.go-to-exercise {
	width: 100%;
	display: inline-block;
	position: relative;
/*	border: 1px solid;*/
   
	
}
.go-to-exercise {
	width: 100%;
	display: inline-block;
	position: relative;

	

}
.go-to-exercise.regular {
	display: inline-block;
	position: relative;
	vertical-align: top;
}

.right_1 {
height: 252px;
width: 62%;
	display: inline-block;
	position: relative;
}

.right_2 {
	height: 252px;
width: 33%;
	
	display: inline-block;
	position: relative;
}
.right_3 {
  height: 150px;

	display: inline-block;
	position: relative;
}
.right_4 {
	height: 145px;
width: 60%;
	display: inline-block;
	position: relative;
}

.right_5 {
  height: 145px;
width: 35%;
	display: inline-block;
	position: relative;
}
.right_6 {
height: 70px;

	display: inline-block;
	position: relative;
}
.right_7 {
height: 84px;
width: 71%;
	display: inline-block;
	position: relative;
}

.right_8 {
height: 96px;
	width:25%;
	display: inline-block;
	position: relative;
}
.right_9 {
height: 56px;
	width:70%;
	display: inline-block;
	position: relative;
	top: -12px;
}
.left_1 {
	height: 235px;
	display: inline-block;
	position: relative;

}
.left_2 {
	height: 170px;

	display: inline-block;
	position: relative;
	
}
.left_3 {
	height: 100px;

	display: inline-block;
	position: relative;
}

.left_4 {
height: 40px;
display: inline-block;
position: relative;

	
}
.left_5 {
height: 75px;
display: inline-block;
position: relative;

}
.left_6 {
height: 50px;

	display: inline-block;
	position: relative;
}
.left_7 {
height: 60px;
	
	display: inline-block;
	position: relative;
}
.left_8{
height: 40px;
	
	display: inline-block;
	position: relative;
}