jQuery图片轮播插件布局

DOCTYPE html>
html lang="zh">
head>
    meta charset="UTF-8">
    meta name="viewport" content="width=device-width, initial-scale=1.0">
    meta http-equiv="X-UA-Compatible" content="ie=edge">
    title>图片轮播插件title>
    style>
        *{
            margin: 0;
            padding: 0;
        }
        .slider1{
            width: 800px;
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .slider2{
            width: 800px;
            height: 200px;
            margin-top: 50px;
            overflow: hidden;
            position: relative;
        }
        .slider3{
            width: 800px;
            margin-top: 50px;
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        ul{
            position: absolute;
            left: 0;
            top: 0;
            list-style-type: none;
        }
        ul li{
            float: left;
        }
        #num{
            position: absolute;
            right:20px;
            bottom:20px;
        }
        #num span{
            display: block;
            float:left;
            width:30px;
            height: 30px;
            line-height: 30px;
            text-align: center;
            margin-right:10px;
            background: #ccc;
            opacity: 0.8;
            color:#fff;
        }
        #num span.active{
            opacity: 1;
            background: #1D5D76;
        }
        .left{
            width: 56px;
            height: 87px;
            position: absolute;
            left:10px;
            top:57px;
            background: url(lunboimg/left-arrow.png);
        }
        .right{
            width: 56px;
            height: 87px;
            position: absolute;
            right:10px;
            top:57px;
            z-index: 100;
            background: url(lunboimg/right-arrow.png);
        }
    style>
head>
body>
    div class="slider1">
        ul>
            li>img src="lunboimg/1(1).jpg" />li>
            li>img src="lunboimg/2.jpg" />li>
            li>img src="lunboimg/3.jpg" />li>
            li>img src="lunboimg/4.jpg" />li>
        ul>
    div>
    div class="slider2">
        ul>
            li>img src="lunboimg/1(1).jpg" />li>
            li>img src="lunboimg/2.jpg" />li>
            li>img src="lunboimg/3.jpg" />li>
            li>img src="lunboimg/4.jpg" />li>
        ul>
    div>
    div class="slider3">
        ul>
            li>img src="lunboimg/1(1).jpg" />li>
            li>img src="lunboimg/2.jpg" />li>
            li>img src="lunboimg/3.jpg" />li>
            li>img src="lunboimg/4.jpg" />li>
        ul>
    div>
body>
    script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js">script>
    script src="js/jquery.slider.js">script>
    script>
        $(‘.slider1‘).slider();
        $(‘.slider2‘).slider({
            numControl:true,
            speed:500
        });
        $(‘.slider3‘).slider({
            arrowControl:true
        });
    script>
html>