* {
      margin: 0;
      padding: 0;
      }
      /*<--清除底部三像素距离-->*/
      img {
      vertical-align: top;
      }
      .all {
      position: relative;
      }
      .inner {
      position: relative;
      width: 330px;
      height:240px;
      background-color: pink;
      overflow: hidden;
      }
      .inner ul {
      width: 330;
      list-style: none;
      position: absolute;
      top: 0;
      left: 0;
      }
      .inner ul li {
      float: left;
      }
      .focusD {
      position: absolute;
      left: 0;
      top: 50%;
      width: 330px;
      padding: 0 10px;
      height: 30px;
      box-sizing: border-box;
      display: none;
      }
      .inner ol {
      position: absolute;
      bottom: 10px;
      left: 50%;
      transform: translate(-50%);
      }
      .inner ol li {
      justify-content: center;
      width: 15px;
      display: inline-block;
      height: 15px;
      margin: 0 3px;
      cursor: pointer;
      line-height: 15px;
      text-align: center;
      background-color: rgb(248, 247, 247);
      border-radius: 50%;
      }
      /*当前的高亮的小圆点*/
      .inner ol .current {
      background-color: orange;
      color: #fff;
      }
      .focusD span {
      display: inline-block;
      width: 25px;
      font-size: 24px;
      height: 30px;
      color: #ccc;
      line-height: 30px;
      text-align: center;
      background: rgba(255, 255, 255, 0.3);
      cursor: pointer;
      }
      #left {
      float: left;
      }
      #right {
      float: right;
      }