a.image-popup-fit-width {
   width: 20%;
   float: left;
margin: 0 0 1% 0;
}
a.image-popup-fit-width img {
    margin: 0 auto 0 auto;
width: 95%;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}