我用:
<style>
body {
background-image: url("http://www.drought-smart-plants.com/images/two-succulents-flowering-21457588.jpg");
background-repeat: no-repeat;
background-size: contain;
}
</style>
试图让背景图像始终拉伸以显示整个图像,但是当我测试这个时,图像变得很小......这是怎么回事?