图片显示效果

body {
background-image: url(b10.png);
background-repeat: no-repeat;
background-position: center;
background-size: cover;
height: 100vh;
margin: 0px;
padding: 0px;
}

.divContent {
200px;
height: 200px;
overflow: hidden;
}

.divContent img {
margin: 0;
padding: 0;
100%;
height: 100%;
object-fit: cover;
//重要
}