.overlay {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0, 0.5);
    overflow-x: hidden;
    transition: 0.3s;
}

.overlay-content {
    position: relative;
    top: 0;
    margin-top: 60px;
    /* Set to 90% to compensate for the 60px top margin */
    height: 90%;
    text-align: center;
    z-index: 11;
}

.overlay-image {
	max-width: 100%;
	max-height: 100%;
}

.overlay a {
    padding: 5px;
    text-decoration: none;
    font-size: 12px;
    color: #818181;
    display: block;
    transition: 0.3s;
}

.overlay a:hover, .overlay a:focus {
    color: #f1f1f1;
}

.overlay .closebtn {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 36px;
    color: #eaeaea;
    cursor: pointer;
    font-weight: bold;
}

.closebutton {
	font-size: 30px;
	cursor: pointer;
}

.img-thumb {
    cursor: zoom-in;
}