.k_1 {
    line-height: 1.6;
    
}

.item1{
    
  /*  width: 200px; */
    float: left;
 /*   height: 300px; */
}
.item1 img {
    
    width: 180px;
    margin: 10px;
 /*   height: 100px; */
}

#certs {
    top: 420px;
    position: absolute;
    width: 1200px;
    left: -98px;
}
/*
#certs {
    top: 120px;
    position: relative;
    width: 1200px;
    left: -98px;
}
*/
.group2 {
    float:left;
    position: relative;
    left: 202px;
}
.group3 {
    float:left;
}


.popup {
position: absolute;
height:100%;
width:100%;
top:0;
left:0;
display:none;
text-align:center;
}

.popup_bg {
background:rgba(0,0,0,0.4);
position:absolute;
z-index:1;
height:100%;
width:100%;
}
 
 
.popup_img {
position: relative;
margin:0 auto;
z-index:2;
max-height:94%;
max-width:94%;
margin:1% 0 0 0;
}