body {
     background-image: url(images/背景.png);
     background-repeat: no-repeat;
     background-position: center top;
     background-attachment: fixed;
 }
 
 div {
     position: relative;
     top: 50px;
     width: 700px;
     height: 950px;
     background: rgba(0, 0, 0, .1);
     background-attachment: fixed;
     background-position: center;
     /* text-align: center; */
     /* border-style: dashed; */
     /* border-color: #ec358c; */
     /* border-top: 3px dashed #ec358c; */
     padding-left: 30px;
     padding-top: 20px;
     margin: auto;
     border-radius: 10px 80px;
     overflow: auto;
     /* box-shadow: 20px 10px 10px 5px rgba(250, 234, 240, .4); */
 }
 
 div:hover {
     box-shadow: 20px 10px 10px 5px rgba(250, 234, 240, .4);
 }
 
 h2 {
     /* text-align: center; */
     padding-left: 190px;
 }
 
 .button {
     position: relative;
     left: 110px;
     /* padding-left: 250px; */
     /* margin: auto; */
 }