.grid-warp {
    box-shadow: 0px 0px 18px 3px rgba(0, 0, 0, 0.1);
    margin: 15px;
    height: 500px;
    position: relative;
}
.grid-warp img {
    width: 100%;
    max-height: 455px;
}
.grid-warp>a>div {
    padding: 15px;
    text-align: center;
    position: absolute;
    bottom: 0;
    width: 100%;

}