.list-4-cols{padding-top: 60px; padding-bottom: 40px; position: relative;
    z-index: 3;}

.list__title{margin-bottom: 20px;}
.list__subtitle{margin-bottom: 40px;}
.list-holder{display: flex; flex-flow: row wrap;}
.list-item{width: calc(25% - 20px); margin-right: 20px; margin-bottom: 40px; position: relative; padding-bottom: 50px;}
.list-item__image{margin-bottom: 20px;}	
.list-item__image img{}
.list-item__title{text-transform: uppercase; font-weight: bold; margin-bottom: 10px;}
.list-item__subtitle{margin-bottom: 20px;}
.list-item__button{position: absolute; left: 0; bottom: 0; font-size: 16px;}
.background-grey{background: #f5f5f5; position: relative;}
.background-grey:after{
	content: "";
	top: -1px;
	position: absolute;
    left: 0;
    background-image: url(https://www.whitewaterwest.com/wp-content/themes/rawnet/app/images/interface/tube-1.svg);
    height: 228px;
    width: 70px; z-index: 2;}
@media screen and (max-width: 991px){
	.list-item{width: calc(33% - 20px); margin-right: 20px;}
}

@media screen and (max-width: 767px){
	.list-item{width: calc(50% - 20px); margin-right: 20px;}
}

@media screen and (max-width: 575px){
	.list-item{width: 100%; margin-right: 0;}
}