div {
width: 400px;
height: 400px;
background-color: pink;
background-image: url(./images/1.png);
/* 不平铺：盒子的左上角显示一张背景图 */ background-repeat: no-repeat;
/* background-repeat: repeat; */
/* background-repeat: repeat-x; */
/* background-repeat: repeat-y; */
background-position: 0 0;
/* background-position: 50px center; */
/* background-position: bottom left; */
/* background-position: bottom; */
/* background-position: 50px; */
/* background-size: contain; */
/* background-size: cover; */
/* background-size: 100%; */
/* background-position: center top; */
/* background-attachment: fixed; */
background: pink url(/resources/img/heiMa/tuShu06.jpg) no-repeat center bottom/contain;
}