.header{
    padding-top: 0 !important;
	background: var(--zand);
    position: relative;
    isolation: isolate;
	color: var(--geel);
/*    margin-bottom: var(--jumbotron-standard-margin);*/
	z-index: 1;
}

.header:before{
    content: "";
    border-bottom-right-radius: 14rem;
    width: 100%;
    max-width: calc(50% + (2 * var(--column-width)));
	background-image: url("../../../images/achterground_01.png");
	background-size: cover;
    background-position: center;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: -1;
}

.header_content header{
    margin-top: var(--jumbotron-standard-margin);
}

.header_content h1{
    color: #fff;
    font-size: 6.5rem;
    line-height: 7.5rem;
}

.header_afbeelding {
    margin-bottom: calc(20rem - var(--jumbotron-standard-margin));
    max-height: 72rem;
    border-bottom-left-radius: 31.2rem;
    overflow: hidden;
    margin-right: calc(((-1 * (100vw - var(--container-width))) / 2) - 3rem);
	box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
}

.header + .jumbotron{
    margin-top: calc((-1 * var(--jumbotron-standard-margin)) - 14rem);
}

@media (max-width:767px)
{		
	.header:before{
        max-width: none;
		background-size: cover;
    }
    
    .header .row{
        flex-direction: column-reverse;
    }
    
    .header_content header {
        margin-top: 0;
    }
    
    .header_afbeelding {
		margin-bottom: -8rem;
		max-height: 25rem;
		aspect-ratio: 1;
		float: right;
		margin-right: -3rem;
		position: relative;
		border-bottom-left-radius: 12.2rem;
		z-index: -1;
		box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.005);
	}
    
    .header + .jumbotron {
        margin-top: 0;
    }
	
	.header{
		text-align: center;
	}
	
	.header_afbeelding picture{
		display: flex;
		width: 100%;
		height: 100%;
	}
	
	.header_afbeelding img{
		object-fit: cover;
		width: 100%;
		height: 100% !important;
	}
	
	.header_content h1 {
		text-shadow: 0 0px 10px rgba(0,0,0,0.08);
		font-size: 4rem;
		line-height: normal;
	}
    
    .header + .jumbotron {
        margin-top: -3rem;
    }
}

@media (min-width:768px) and (max-width:991px)
{
	
	
    .header:before{
        max-width: none; 
    }
    
    .header .row{
        flex-direction: column-reverse;
    }
    
    .header_content header {
        margin-top: 0;
    }
    
    .header_afbeelding{
        margin-bottom: 8rem;
        max-height: 40rem
    }
    
    .header + .jumbotron {
        margin-top: 0;
    }
}

@media (min-width:992px) and (max-width:1199px)
{    .header_content h1{
        font-size: 5rem;
        line-height: 6rem;
    }
}

@media (min-width:1200px) and (max-width:1399px)
{
    
}

@media (min-width:1400px)
{
    
}