Foto vergroting

HTML

<div class="image">
<img src="http://placeimg.com/200/150" alt="">
</div>

CSS

div.image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 230px;
    border: 1px solid #999;
    border-radius: 15px;
}
div.image img {
    width: 60%;
    height: auto;
    border-radius: 15px;
}
div.image img:hover {
    width: 90%;
}