css3 导航效果及网址

仅是一个示例:

导航--缓慢向两侧伸.png
导航大全推荐地址:hover.css

代码如下:

    <ul class="da2_ul">
        <li>
            <a href="">首页</a>
            <i class="nline"></i>
        </li>
        <li class="da2_ul_a">
            <a href="">哈哈啊哈</a>
            <i class="nline"></i>
        </li>
        <li>
            <a href="" rel="nofollow">你好呀</a>
            <i class="nline"></i>
        </li>
        <li>
            <a href="">我滴个天呀</a>
            <i class="nline"></i>
        </li>
        <li>
            <a href="">呃呃呃</a>
            <i class="nline"></i>
        </li>
        <li>
            <a href="" rel="nofollow">
                <span class="nline"></span>
                哈哈哈哈
            </a>
        </li>
    </ul>
        
    <p class="link-scaleup">哈哈哈哈哈哈哈</p>```


<style type="text/css"> 
body{
    background:#ccc;
}
.da2_ul li{
    list-style:none;
    float: left;
    margin-right: 45px;
    position: relative;
}
.da2_ul li a{
    display: inline-block;
    color: #404041;
    font-size: 16px;
    border-bottom: 2px solid #fff;
    padding-bottom: 10px;
    cursor: pointer; 
}
.nline{
    background: #ff6c2e;
    display: block;
    height: 2px;
    transform: scaleX(0);
    transition: transform 400ms ease-out 0s;
    width: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    -webkit-transform: scaleX(0);
    -webkit-transition:transform 400ms ease-out 0s;
}
.da2_ul li:hover .nline {
    transform: scaleX(1);
}
.da2_ul_a .nline {
    transform: inherit!important;
}
.link-scaleup{
    color: #e74c3c;
    font-weight: 500;
    position: relative;
    display: inline-block;
    outline: none;
    color: #404d5b;
    vertical-align: bottom;
    text-decoration: none;
    white-space: nowrap;
    padding:5px;
}
.link-scaleup::before {
    position: absolute;
    top: 0;
    left: -5px;
    z-index: -1;
    box-sizing: content-box;
    padding: 0 5px;
    width: 100%;
    height: 100%;
    border-radius: 25px;
    background-color: #fff;
    content: '';
    opacity: 0;
    -webkit-transition: -webkit-transform 0.2s, opacity 0.2s;
    transition: transform 0.2s, opacity 0.2s;
    -webkit-transform: scale(0);
    transform: scale(0);
}
.link-scaleup:hover::before{
    opacity: 1;
    -webkit-transform: scale(1);
    transform: scale(1);
}
</style>