header a {
    font-weight: bolder;
    color: #1b1e21 !important;
}

/* ----------------------------------------------------------------- */

/* force scrollbar */
html { overflow-y: scroll; }

/* ---- grid ---- */

.grid {
    background: #DDD;
}

/* clear fix */
.grid:after {
    content: '';
    display: block;
    clear: both;
}

/* ---- .grid-item ---- */

.grid-sizer,
.grid-item {
    width: 33.333%;
}

.grid-item {
    float: left;
}

.grid-item img {
    display: block;
    width: 100%;
}

/* ----------------------------------------------------------------- */