如何悬停图片并放大并显示boxshadow inset

Question

您好我有一些想要显示的图像，当用户将鼠标悬停在我的图像上时它会放大并且框阴影插入,,,请帮忙

Answer 1

img{
  transition: transform 1s;
}
img:hover{
  transform: scale(1.5);
  box-shadow: 2px 2px 5px grey, -2px -2px 5px grey;
}

<img src="http://lorempixel.com/100/100/">