.gallery a {
	position: relative;
	display: block;
}

.overlay {
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    cursor: pointer;
    display: block;
    font-size: 50px;
    height: 100%;
	width: 100%;
    padding-top:40px;
    top: 0;
    left: 0;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    text-align: center;
    transition: all 0.5s ease 0s;
    z-index: 20;
}

.overlay2{
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    cursor: pointer;
    display: block;
    font-size: 100px;
    height: 100%;
	width: 100%;
    padding-top:100px;
    top: 0;
    left: 0;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    text-align: center;
    transition: all 0.5s ease 0s;
    z-index: 20;
}

.gallery a:hover .overlay ,
.gallery a:hover .overlay2 {
    opacity: 0.8;
}

.img-space{
    margin:20px 0px;
}