.img-catalog 
{
    float: left;
    width: 100%;
    padding: 2px;
    border: 1px solid black;
    border-radius: 2px;
    margin-bottom: 5px;
}
.img-catalog img{
    /*position: relative;*/
    float: left;
    width:  100%;
    height: 200px !important;
    background-position: 50% 50%;
    background-repeat:   no-repeat;
    background-size:     cover;
}
.image-holder {
    /*width: 80%; // or you could use percentage value for responsive layout
    height: auto;*/
    overflow: hidden;
}