* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    padding: 20px 0px;
    background: url(./2.gif);
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;

  }
  @media screen and (max-width:750px){
    body {
    background: url(../img/bg.webp);
    /* background-size: 100%; */
    background-size:cover;
    background-position: center top;
    background-repeat: no-repeat;
  }
  }
  h1 {
    padding: 10px;
    //background-color: #327dcd;
    color: purple;
    /* margin: 10px 0; */
    transition: all 1s;
    text-align: center;
  }
  ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    overflow: hidden;
  }

  li {
    width: 100px;
    height: 40px;
    background-color: rgb(71, 134, 222);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px;
  }
  /* 确定下来了 最终被选中 */
  .select {
    background-color: palevioletred;
    color: #fff;
  }
  .lxx{
    width: 100px;
    height: 50px;
    color: #fff;
    border: none;
    font-size: 20px;
    background: rgb(14, 149, 161);
    box-shadow: 40px 40px 80px rgb(71, 134, 222),
      -40px -40px 80px rgb(71, 134, 222);
      text-align: center;
      cursor: pointer;
  }
  .lxx:hover{
    background-color: rgb(11, 82, 181);
  }
  .ll{
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 20px;
  }
  #personNum{
    height: 30px;
  }
  #aselect{
    height: 30px;
  }