.inv-grid-message span {
    background: yellow none repeat scroll 0 0;
    height: 40px;
    line-height: 40px;
    position: fixed;
    text-align: center;
    width: 100px;
    z-index: 999;
    left: 50%;
    top: 50%;
    margin-top: -20px;
    margin-left: -50px;
}

.inv-grid-message {
    display: none;
    background: rgba(255, 255, 255, 0.5);
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 999;
}

.inv-grid.masonry .inv-grid-inner {
    position: relative;
}

.inv-grid-inner {
    position: relative;
    overflow: hidden;
}

.inv-grid-item .inv-grid-item-inner {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-size: cover;
    background-position: center center;
}