.small-image {
    width: 80%;
    opacity: 0.8;
    transition: 0.3s;
    box-shadow: rgba(0, 0, 0, 0.4) 0 3px 8px;
    cursor: pointer;
}

.open-icon-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.open-icon {
    font-size: 4vw;
    opacity: 0.5;
}

.image-container {
    position: relative;
    text-align: center;
}

.modal-overlay {
    position: absolute;
    z-index: 5;
    top:0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.8);
}

.big-image {
    width: 80%;
    margin: auto;
    display: block;
    max-width: 700px;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
}