*,*:before,*:after {box-sizing:inherit;}

html {box-sizing:border-box;font-family:Verdana,sans-serif;font-size:15px;line-height:1.5;font-weight:normal;}

body{background-color:#ade5a9} /*groen*/

#supercontainer{
	margin-left:auto;
	margin-right:auto;
	max-width:1200px;
	background-color:#fff;
	box-shadow: 0 5px 5px gray;
	overflow:hidden;
	margin-bottom:20px;
}

/* zit om nav en section heen */
#wrapper{
	max-width:1200px;
	overflow:hidden;
	margin-top: -5px;
  
}

/* navigatie */
nav {
	padding: 10px; background-color:#DFDFDF; /* grijs */
	float:left;
	overflow:hidden;
}

/* inhoud */
section {
	float:left;
	overflow:hidden;
}

/* paginavoet */
footer {
	background-color:#548235;
	color:#fff;
	text-align:center;
	height:30px;
	overflow:hidden;
	padding:10px;
}

h1 { color: #e04f2f} /* oranje */
h2 { color: #b2b2b2; /* blauw */
	font-size:1.2em	
} 
h3 { 
	color: #616662; /* oranje */
	border-top: 1px solid silver;
	border-bottom: 1px solid silver;
	margin-bottom: -1px;
	margin-top:6px;
}

.opdracht {
	margin: 5px 0 5px 0;
	padding: 0;
	color: #e04f2f;
	border: 0;
}
.extra_opdracht {
	margin: 5px 0 5px 0;
	padding: 0;
	color: #fff;
	border: 0;
}
.valop {
	color: #ffffff;
	background: #09c;
	border: 1px solid #07a;
	margin: 2em 20px;
	padding: 10px;
}

.code {
	color: #000; 
	background: #ebebeb;
	border: 1px solid gray;
	margin: 2em 10px;
	padding: 10px;
}

.coderen{
	color:#e04f2f;	/* tonen van html-elementen */
	font-weight:600;
}

.argument{
	color:#219ac9;	/* argument binnen html-elementen */
	font-weight:600;
}

.valop ol li{
	padding: 5px;	
	margin: -10px;
}

.opdracht{
	color: #e04f2f;
	background-color: #ebebeb;
	border: 1px solid #e04f2f;
	margin: 2em 20px;
	padding: 0 10px 10px 10px;

}
.extra_opdracht{
	color: #fff;
	background-color: #e04f2f;
	border: 1px solid #ebebeb;
	margin: 2em 20px;
	padding: 0 10px 10px 10px;
}

.lijnonder{
	border-bottom:solid 1px gray;
	padding:8px;
}
a {
	color:#09c;
	text-decoration:none;
	font-weight:600;
	font-family:verdana, arial, helvetica, sans-serif;
	}
a:link {color:#09c;}
a:visited {color:#07a;}
a:hover {background-color:#eee;}

p {text-align:justify;}

img {
    max-width: 100%;
    height: auto;
}

.container {padding:0 20px;}
.container:after {content:"";display:table;clear:both;}

.row:after {
    content: "";
    clear: both;
    display: block;
}

.responsive {overflow-x:auto;}
.row-margin {margin:8px;}
.row:after,.row-padding:after,.row-margin:after,.container:after {content:"";display:table;clear:both;}

.kolom_ {
float:left;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;width:100%;}

/* voor mobiele telefoons */
[class*="kolom_"] {
    float: left;
    padding: 10px;
	width: 100%;
}
/* einde voor mobiele telefoons */

@media only screen and (min-width :450px) {
.kolom_m1 {width:8.33333%;}
.kolom_m2 {width:16.66666%;}
.kolom_m3 {width:24.99999%;}
.kolom_m4 {width:33.33333%;}
.kolom_m5 {width:41.66666%;}
.kolom_m6 {width:49.99999%;}
.kolom_m7 {width:58.33333%;}
.kolom_m8 {width:66.66666%;}
.kolom_m9 {width:74.99999%;}
.kolom_m10{width:83.33333%;}
.kolom_m11{width:91.66666%;}
.kolom_m12 {width:99.99999%;}}

@media only screen and (min-width :1000px) {
.kolom_l1 {width: 8.33333%;}
.kolom_l2 {width:16.66666%;}
.kolom_l3 {width:24.99999%;}
.kolom_l4 {width:33.33333%;}
.kolom_l5 {width:41.66666%;}
.kolom_l6 {width:49.99999%;}
.kolom_l7 {width:58.33333%;}
.kolom_l8 {width:66.66666%;}
.kolom_l9 {width:74.99999%;}
.kolom_l10{width:83.33333%;}
.kolom_l11{width:91.66666%;}
.kolom_l12{width:99.99999%;}}