.category_wall_block {
    position: relative;
    text-align: center;
}
.category_wall_item {
     position: relative;
     border: none;
     padding: 0;
 }
.category_wall_block:nth-of-type(1) img,
.category_wall_block:nth-of-type(2) img,
.category_wall_block:nth-of-type(3) img,
.category_wall_block:nth-of-type(4) img {
    display: inline-block;
	position: relative;    
	line-height: 0;
 }
 .category_wall_block:nth-of-type(1) .category_wall_item:after,
 .category_wall_block:nth-of-type(2) .category_wall_item:after,
 .category_wall_block:nth-of-type(3) .category_wall_item:after,
 .category_wall_block:nth-of-type(4) .category_wall_item:after {
	content: "";
	display: block;
	width: 100%;
	height: 100%;    
	position: absolute;
	top: 0;    
	left: 0;   
	background: #139258;
	opacity: 0;  
	transition: all 0.3s linear; 
}
.category_wall_block:hover .category_wall_item:after{
	opacity: 0.9;
	transition: all 0.3s linear; 
}

 .category_wall_block:nth-of-type(1) .category_wall_item:after
 .category_wall_block:nth-of-type(3) .category_wall_item:after
 .category_wall_block:nth-of-type(4) .category_wall_item:after {
	background-image: linear-gradient(to top, rgba(85, 85, 85, .85) 0%, rgba(2, 2, 2, .85) 100%);
	opacity: 0.5;    
}
 /* .category_wall_block:nth-of-type(2) .category_wall_item:after {  
	background: #139258;
	opacity: 0.9;    
} */


.category_wall_block:nth-of-type(1) .category_wall_item:before,
.category_wall_block:nth-of-type(2) .category_wall_item:before,
.category_wall_block:nth-of-type(3) .category_wall_item:before,
.category_wall_block:nth-of-type(4) .category_wall_item:before {
	content: "";
	display: inline-block;
	position: absolute;           
    z-index: 100;
    display: none;
}
.category_wall_block:nth-of-type(1) .category_wall_item:before {
	width: 82px;
	height: 90px;     
	top: 29%;
	left: 33%;        
    background: url(../svg/group1.svg) center/cover;
}
.category_wall_block:nth-of-type(2) .category_wall_item:before {
	width: 41px;
	height: 85px;    
	top: 31%;
	left: 42%;        
    background: url(../svg/group4.svg) center/cover;
}
.category_wall_block:nth-of-type(3) .category_wall_item:before {
	width: 66px;
	height: 74px;    
	top: 35%;
	left: 37%;        
    background: url(../svg/group2.svg) center/cover;
}
.category_wall_block:nth-of-type(4) .category_wall_item:before {
	width: 74px;
	height: 74px;    
	top: 35%;
	left: 35%;        
    background: url(../svg/group3.svg) center/cover;
} 
 .category_wall_title {
     font-family: Helvetica Neue, sans-serif;
     font-weight: bold;
     color: #ffffff;
     font-size: 23px;
     line-height: 28px;
     position: absolute;
     top: 88%;
     left: 50%;
     margin-right: -50%;
     transform: translate(-50%, -50%);
     z-index: 10;
 }
 @media (min-width: 320px) and (max-width: 1200px) {
    .category_wall_title {
     font-size: 18px;
    }
 }
 @media (min-width: 320px) and (max-width: 991px) {
    .category_wall_item {
        margin-bottom: 15px;
    }
 }
 @media (min-width: 481px) and (max-width: 767px) {
    .category_wall_block {
		width: 50%!important;
	} 
 }