css background设置背景图片不随滚动条滚动

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.selectHouse{
min-height: 100vh;//最小高度一屏
background-image: url(“…/…/assets/images/selecthouse_bg.png”);//图片地址

background-size: 100% 100%;//图片大小
background-attachment: fixed;//背景图片不随内容滚动

}