之前為大家介紹了好幾款導(dǎo)航菜單，今天要給大家?guī)?lái)一款純css3實(shí)現(xiàn)的環(huán)形導(dǎo)航菜單。該導(dǎo)航比較新鮮，列表圖標(biāo)位于中間，單擊列表圖標(biāo)的時(shí)候，各項(xiàng)分布于列表圖表的四周。形成一個(gè)環(huán)形。效果圖如下：

　　實(shí)現(xiàn)的代碼。

　　html代碼：

　　css代碼：

[code]body
        {
            background: #34495e;
        }
       
        .container
        {
            width: 550px;
            display: block;
            margin: auto;
            position: relative;
        }
       
        h1
        {
            text-align: center;
            font-family: 'Roboto' , sans-serif;
            font-weight: 400;
            color: #f1c40f;
        }
       
        .menu_opener
        {
            display: none;
        }
       
        .menu_opener:checked ~ .link_one
        {
            top: 65px;
        }
        .menu_opener:checked ~ .link_two
        {
            left: 385px;
        }
        .menu_opener:checked ~ .link_three
        {
            top: 385px;
        }
        .menu_opener:checked ~ .link_four
        {
            left: 65px;
        }
        .menu_opener:checked ~ .barre_hamburger
        {
            opacity: 0;
        }
        .menu_opener:checked ~ .menu_opener_label:after
        {
            transform: rotate(45deg);
            top: 70px;
        }
        .menu_opener:checked ~ .menu_opener_label:before
        {
            transform: rotate(-45deg);
            top: 70px;
        }
       
        .menu_opener_label
        {
            background: #f1c40f;
            width: 150px;
            height: 150px;
            display: block;
            cursor: pointer;
            border-radius: 50%;
            position: absolute;
            top: 200px;
            left: 200px;
            z-index: 10;
        }
        .menu_opener_label:after
        {
            position: absolute;
            top: 50px;
            left: 50px;
            background: #000;
            content: "";
            width: 50px;
            height: 10px;
            -webkit-transition: all 0.4s ease;
            transition: all 0.4s ease;
        }
        .menu_opener_label:before
        {
            position: absolute;
            top: 90px;
            left: 50px;
            background: #000;
            content: "";
            width: 50px;
            height: 10px;
            -webkit-transition: all 0.4s ease;
            transition: all 0.4s ease;
        }
       
        .barre_hamburger
        {
            width: 50px;
            height: 10px;
            position: absolute;
            top: 270px;
            left: 250px;
            background: #000;
            z-index: 20;
            -webkit-transition: all 0.4s ease;
            transition: all 0.4s ease;
        }
       
        .link_general
        {
            width: 100px;
            height: 100px;
            display: block;
            border-radius: 50%;
            position: absolute;
            top: 225px;
            left: 225px;
            background: #ecf0f1;
            -webkit-transition: all 0.4s ease;
            transition: all 0.4s ease;
        }
       
        .link_one
        {
            background: url("home.png") #f1c40f no-repeat center center;
        }
       
        .link_two
        {
            background: url("mail.png") #f1c40f no-repeat center center;
        }
       
        .link_three
        {
            background: url("set.png") #f1c40f no-repeat center center;
        }
       
        .link_four
        {
            background: url("start.png") #f1c40f no-repeat center center;
        }　　[code]

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