.hover {
    overflow: hidden;
    position: relative;
    padding-bottom: 60%;
}

.hover-overlay {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 90;
    transition: all 0.4s;
}

.hover img {
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: all 0.3s;
}

.hover-content {
    position: relative;
    z-index: 99;
}  

/* DEMO 3 ============================== */
.hover-3-content {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    text-align: center;
    z-index: 99;
}

.hover-3-description {
    opacity: 0;
    transform: scale(1.3);
    transition: all 0.3s;
}

.hover-3 img {
    width: 110%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hover-3 .hover-overlay {
    background: rgba(0, 0, 0, 0.4);
}

.hover-3:hover img {
    width: 100%;
}

.hover-3:hover .hover-3-description {
    opacity: 1;
    transform: none;
}

.hover-3:hover .hover-3-title {
    opacity: 1;
    transform: none;
}

.hover-3:hover .hover-overlay {
    background: rgba(0, 0, 0, 0.8);
}