* {
    padding: 0;
    margin: 0;
    list-style: none;
    border: 0;
  }
  
  .all {
    width: 460px;
    height: 380px;
    position: relative;
    float: left;
  }
  
  .screen {
    width: 460px;
    height: 380px;
    overflow: hidden;
    position: relative;
  }
  
  .screen li {
    width: 460px;
    height: 380px;
    overflow: hidden;
    float: left;
    margin-bottom: ;
  }
  .screen li img{
    width: 460px;
    height: 380px;
    -webkit-transition: all ease-out 0.5s;
    -moz-transition: all ease-out 0.5s;
    -o-transition: all ease-out 0.5s;
    transition: all ease-out 0.5s;  
    transform:skew(0) translateZ(0);
  }
  .screen li img:hover{
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.2);
    -ms-transform: scale(1.2);
    -o-transform: scale(1.2);
    transform: scale(1.2); 
  }
  .screen li span a{
    display: inline-block;
    position: relative;
    width: 440px;
    height: 50px;
    top: -52px;
    line-height: 50px;
    font-size: 16px;
    color: #fff;
    padding-left: 20px;
    background: rgba(0, 0, 0, 0.4);
  }
  .screen li div{
    width: 72px;
    height: 63px;
    background: red;
    position:relative;
    top: -420px;
    left: 15px;
    line-height: 30px;
    padding-top: 5px;
  }
  .screen li div p{
    text-align: center;
    color: #fff;
    font-size: 16px;
  }
  .screen li div p:nth-child(1){
    font-size: 24px;
    font-weight: bold;
  }
  
  .screen ul {
    position: absolute;
    left: 0px;
    top: 0px;
    width: 3000px;
  }
  
  .all ol {
    position: absolute;
    right: 10px;
    bottom: 17px;
    line-height: 20px;
    text-align: center;
  }
  
  .all ol li {
    float: left;
    width: 10px;
    height: 10px;
    background: #8e8e8e;
    margin-left: 10px;
    cursor: pointer;
    border-radius: 50px;
    color: rgba(0, 0, 0, 0);
  }
  
  .all ol li.current {
    width: 35px;
    background: #1a499b;
  }
  
  #arr {
    display: none;
    z-index: 1000;
    
  }
  
  #arr span {
    width: 40px;
    height: 40px;
    position: absolute;
    left: 5px;
    top: 50%;
    margin-top: -20px;
    background: #000;
    cursor: pointer;
    line-height: 40px;
    text-align: center;
    font-weight: bold;
    font-family: '黑体';
    font-size: 30px;
    color: #fff;
    opacity: 0.3;
    border: 1px solid #fff;
  }
  
  #arr #right {
    right: 5px;
    left: auto;
  }