.card .img img{
    width: 100%;
}
@media only screen and (max-width:767px){
.col-4{
    width: 300px;
    min-height: max-content;
}
.item {
    margin: 0px;
    width: 280px;
    margin: 0px 10px;
}
.group-card .container, .group-card .container .row{
    padding: 0;
    margin: 0;
}
}