CSS图片铺满div的实现方法

<div>
        <img src="引入图片地址" alt="" class="Img">
</div>

div{
　　width: 500px;
　　height: 500px;
}
.Img{
    width: 100%;
    height: 100%;
    object-fit:cover;
}

div{
	width: 500px;
	height: 500px;
	position:relative;
	overflow:hidden;
	}
.Img{
	position: absolute;
	top: 50%;
	left: 50%;
	display: block;
	min-width: 100%;
	min-height: 100%;
	transform:translate(-50%,-50%);
}

<div class="container"></div>

.container{
				height: 500px;
				width: 500px;
				margin: 0px auto;
				background: url('../Status/img/health.png') no-repeat;
				background-size: cover;
			}