#photos {
    /* Prevent vertical gaps */
    line-height: 50px;
    
    -webkit-column-count: 3;
    -webkit-column-gap:   50px;
    -moz-column-count:    3;
    -moz-column-gap:      0px;
    column-count:         3;
    column-gap:           25px;
    width: 80%;
    margin: auto;
    padding-top: 4em;
    }


@media (max-width: 1200px) {
    #photos {
        line-height: 50px;

        -webkit-column-count: 2;
        -webkit-column-gap:   50px;
        -moz-column-count:    2;
        -moz-column-gap:      0px;
        column-count:         2;
        column-gap:           25px;
        width: 80%;
        margin: auto;
    }
}


@media (max-width: 767px) {
    #photos {
        line-height: 50px;

        -webkit-column-count: 1;
        -webkit-column-gap:   50px;
        -moz-column-count:    1;
        -moz-column-gap:      0px;
        column-count:         1;
        column-gap:           25px;
        width: 80%;
        margin: auto;        }
}