.image-container {
    display: flex;
    position: relative;
    margin: 5px;
}

.image-container img {
    width: 200px;
    display: block;
    z-index: 9;
}

.image-container {
    display: flex;
    position: relative;
    margin: 5px;
}

.image-container img {
    width: 200px;
    display: block;
    z-index: 9;
    background: #ccc;
}

Add gray background to img tags so you can see that something is happening before they load.
Add gray background to img tags so you can see that something is happening before they load.
