CSS3仿SF Android版的侧滑菜单_html/css_WEB-ITnose

<nav>        <div id="toggleMenu">            <span id="hide"></span>            <span id="show"></span>        </div>        <ul id="list">            <li>                <a href="#">首页</a>            </li>            <li>                <a href="#">问题</a>            </li>            <li>                <a href="#">文章</a>            </li>            <li>                <a href="#">关注</a>            </li>            <li>                <a href="#">发现</a>            </li>        </ul>    </nav>

nav{            width: 100%;            height: 50px;            background-color: rgba(26,188, 156, 0.75);            position: relative;        }        div{            position: absolute;            height: 100%;            width: 50px;            left: 20px;            cursor: pointer;            -webkit-transition: transform 1s;            -moz-transition: transform 1s;            -ms-transition: transform 1s;            -o-transition: transform 1s;            transition: transform 1s;        }        #hide,#show{            display: block;            height: 3px;            background-color: #FFF;            position: absolute;            top: 50%;            -webkit-transition: opacity .5s;            -moz-transition: opacity .5s;            -ms-transition: opacity .5s;            -o-transition: opacity .5s;            transition: opacity .5s;        }        #show{            width: 20px;            left: 15px;            opacity: 0;        }        #hide{            width: 30px;            left: 10px;            margin-top: -1.5px;        }        #hide::before,#hide::after,#show::before,#show::after{            content: "";            display: block;            height: 3px;            background-color: #FFF;            position: absolute;        }        #hide::before,#hide::after{            width: 30px;        }        #show::before,#show::after{            width: 25px;        }        #hide::before,#show::before{            top: -10px;        }        #hide::after,#show::after{            top: 10px;        }        #show::before{             -webkit-transform: rotate(35deg) translateX(5px);             -moz-transform: rotate(35deg) translateX(5px);             -ms-transform: rotate(35deg) translateX(5px);             -o-transform: rotate(35deg) translateX(5px);             transform: rotate(35deg) translateX(5px);        }        #show::after{              -webkit-transform: rotate(-35deg) translateX(5px);             -moz-transform: rotate(-35deg) translateX(5px);             -ms-transform: rotate(-35deg) translateX(5px);             -o-transform: rotate(-35deg) translateX(5px);             transform: rotate(-35deg) translateX(5px);        }        ul{            list-style: none;            background-color: #455552;            position: absolute;            top: 34px;            left: -200px;            width: 74px;            -webkit-transition: all .5s ease-in-out;            -moz-transition: all .5s ease-in-out;            -ms-transition: all .5s ease-in-out;            -o-transition: all .5s ease-in-out;            transition: all .5s ease-in-out;        }        li{            margin: 0;            padding: 0;            position: relative;            left: -40px;            text-align: center;            width: 112px;        }        a{            text-decoration: none;            color:#FFF;            display: inline-block;            height: 40px;            line-height: 40px;         }        li:hover{            background-color: rgba(26,188, 156, 0.75);        }

var toggle = document.getElementById("toggleMenu");        var list = document.getElementById("list");        var hide = document.getElementById("hide");        var show = document.getElementById("show");        var isHidden = true;        window.onload = function() {            toggle.onclick=function(){                if(isHidden){                    list.style.left="0px";                    isHidden = false;                    hide.style.opacity=0;                    this.style.mozTransform = "rotate(180deg)";                    this.style.msTransform = "rotate(180deg)";                    this.style.oTransform = "rotate(180deg)";                    this.style.webkitTransform = "rotate(180deg)";                    this.style.transform = "rotate(180deg)";                    show.style.opacity=1;                }else{                    list.style.left="-200px";                    isHidden = true;                    hide.style.opacity=1;                    this.style.mozTransform = "rotate(0deg)";                    this.style.msTransform = "rotate(0deg)";                    this.style.oTransform = "rotate(0deg)";                    this.style.webkitTransform = "rotate(0deg)";                    this.style.transform = "rotate(0deg)";                    show.style.opacity=0;                }            }        }