.section {position:relative; float:left; width:100%; padding:250px 0;}
.container {position:relative; margin:auto; width:1420px; text-align:left;}
.heel, .half, .een_derde, .twee_derde, .een_vijfde{position:relative; float:left;}
.heel {width:1420px;}
.show_750{display:none;}
@media screen and (max-width:1600px) {
.section {padding:120px 0;}
.container {width:1280px;}
.heel {width:1300px;}
}
@media screen and (max-width:1440px) {
.container {width:1110px;}
.heel {width:1110px;}
}
@media screen and (max-width:1210px) {
.hide_1210{display:none;}
.section{padding:100px 0;}
.container {width:960px;}
.heel {width:960px;}
}
@media screen and (max-width:1024px) {
.hide_1024{display:none;}
.section{padding:80px 0;}
}
@media screen and (max-width:1010px) {
.hide_1010{display:none;}
.section{padding:50px 0;}
.container {width:700px;}
.heel {width:700px;}
}
@media screen and (max-width:750px) {
.hide_750{display:none;}
.show_750{display:inline-block;}
.container {width:90%;}
.heel {width:100%;}
}