有多个不同语言的网站，在右上角添加各语言网站的入口，最常用的前端样式就是下拉菜单。

效果如下：

HTML代码：

<div id="language">
    <span>中文</span>
    <ul>
        <li>
            <a href="">简体中文</a>
        </li>
        <li>
            <a href="">Englist</a>
        </li>
        <li>
            <a href="">日本語</a>
        </li>
        <li>
            <a href="">Русский язык</a>
        </li>
    </ul>
</div>

CSS代码：

html {
    font-size:100px;
}

#language {
    position: relative;
    span {
        display: block;
        background: url(../images/language_01.png) no-repeat left center;
        background-size: 1em auto;
        font-size: 0.2rem;
        line-height: 1em;
        padding:0 calc(26em/20) 0 calc(34em/20);
        position: relative;
        color:#fff;
        white-space:nowrap;
        cursor: pointer;
        &:after {
            width:calc(10em/20);
            height:calc(6em/20);
            background:url(../images/language_arrow_01.svg) no-repeat center center;
            background-size: contain;
            position:absolute;
            right: 0;
            top:50%;
            transform: translateY(-50%);
            display:block;
            content:'';
            
        }
    }
    ul {
        line-height: 2em;
        position: absolute;
        top: 100%;
        left:50%;
        min-width: 100%;
        transform: translateX(-50%);
        z-index: 5;
        background-color: #fff;
        box-shadow: 0 0.05rem 0.15rem rgba(0,0,0,0.1);
        text-align: center;
        padding:0.5em 1.5em;
        display: none;
        li {
            border-bottom: 1px solid rgba(0,0,0,0.1);
            &:last-child {
                border-bottom: none;
            }
        }
        a {
            white-space: nowrap;
            display: block; 
            padding:0.5em;
        }
    }
}

jquery代码：

$(function(){
    $('#language span').click(function(){
        $(this).siblings('ul').stop().slideToggle('fast');
    });
});