@media (min-width: 1200px) {
    .seven-cols .col-md-1,
    .seven-cols .col-sm-1,
    .seven-cols .col-lg-1 {
        /*width: 14.285714285714285714285714285714%;
        *width: 14.285714285714285714285714285714%;*/
        width: 12.5%;
        *width: 12.5%;
    }
}
/* 14% = 100% (full-width row) divided by 7 */

img {
    max-width: 100%;
}