css怎么设置侧边栏(2)-木庄网络博客

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<!DOCTYPE html><html>
 
    <head>
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
        /*隐藏checked复选框*/
            #sidemenu{                display: none;            }
 
            #sidemenu:checked + aside {                /*为被选中的sidemenu后的aside设置属性（紧邻）*/
                left: 0;                /*点击按钮即选中checked后,侧边栏位置变为贴着左边,配合ease-out使用,有渐变滑出的效果*/
            }
 
            #sidemenu:checked ~ #wrap {                /*为被选中的sidemenu后的wrap设置属性（非紧邻）*/
                padding-left: 220px;            }
 
            aside {                /*侧边栏,初始位置为-200px，即隐藏效果*/
                position: absolute;                top: 0;                bottom: 0;                left: -200px;                width: 200px;                background: black;                transition: 0.2s ease-out;                /*动画效果的执行方式是ease-out，即侧边栏滑动效果为渐变式，而不是生硬的突然变化*/
            }
 
            h2 {                color: white;                text-align: center;                font-size: 2em;            }
 
            /*控制侧边栏进出的按钮（外部包裹）*/
            #wrap {                margin-left: 20px;                padding: 10px;                transition: 0.2s ease-out;            }
 
            /*控制侧边栏进出的按钮（内部文字样式）*/
            label {                /*控制侧边栏进出的按钮*/
                background: white;                border-radius: 70px;                color: orange;                cursor: pointer;                display: block;                font-family: Courier New;                font-size: 2em;                width: 1.5em;                height: 1.5em;                line-height: 1.5em;                text-align: center;                display: inline-block;            }
 
            label:hover {                background: #000;            }
 
            #sideul li {                list-style: none;                color: white;                width: 100%;                height: 1.8em;                font-size: 1.5em;                text-align: center;            }
 
            a {                text-decoration: none;            }
 
            #sideul li:hover {                color: orange;            }
        </style>
    </head>
 
    <body>
        <input type='checkbox' id='sidemenu'>
        <aside>
            <h2>主菜单</h2>
            <br />
            <ul id="sideul">
                <a href="##">
                    <li>首页</li>
                </a>
                <a href="##">
                    <li style="color: orange;">导航1</li>
                </a>
                <a href="##">
                    <li>导航2</li>
                </a>
                <a href="##">
                    <li>导航3</li>
                </a>
                <a href="##">
                    <li>导航4</li>
                </a>
                <a href="##">
                    <li>导航5</li>
                </a>
                <a href="##">
                    <li>导航6?</li>
                </a>
            </ul>
        </aside>
        <p id='wrap'>
            <label id='sideMenuControl' for='sidemenu'>≡</label>
            <!--for 属性规定 label 与哪个表单元素绑定，即将这个控制侧边栏进出的按钮与checkbox绑定-->
        </p>
 
    </body></html>