.g_a{display:-moz-inline-stack; display:inline-block; border-bottom:1px solid #cccccc; border-top:1px solid #e1e1e1; background:#f9f9f9; text-decoration:none;}
    .g_b{float:left; border-left:1px solid #dadada; border-right:1px solid #cecece; padding:1px 0; margin:0 -1px; position:relative;}
    .g_c{float:left; border-left:1px solid #dadada; border-right:1px solid #cecece; margin:0 -2px; background:#f4f4f4; position:relative;}
    .g_d{display:block; line-height:4px; background:#f7f7f7; border-bottom:4px solid #f6f6f6; border-top:8px solid #f8f8f8;}
    .g_e{display:block; line-height:16px; border-bottom:4px solid #f2f2f2; border-top:4px solid #fafafa; margin-top:-16px; padding:0px 12px; font-size:12px; color:#666666; cursor:pointer;}
    .g_a:hover{text-decoration:none; background-color:#f7f7f7; color:#333333;}
    .g_a:hover .g_c{background-color:#f2f2f2;}
    .g_a:hover .g_d{border-bottom-color:#f4f4f4; background-color:#f5f5f5; border-top-color:#f7f7f7;}
    .g_a:hover .g_e{border-bottom-color:#f0f0f0; border-top-color:#f8f8f8;}
    

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    <a href="javascript:void(0);" class="g_a vm">
    	<span class="g_b">
            <span class="g_c">
                <span class="g_d"> </span>
                <span class="g_e">就是你了</span>
            </span>
        </span>
    </a>

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效果图：

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文章链接：http://www.zhangxinxu.com/wordpress/?p=377

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