SOURCE

<ul>
<li style="font-weight:bold">鸡蛋</li>
<li>牛奶</li>
<li>巧克力</li>
</ul>

<ol>
<li>鸡蛋</li>
<li>牛奶</li>
<li>巧克力</li>
</ol>


&lt;p&gt <br/>

me &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbspyou <br/>

&times <br/>
&copy <br/>
<input><br/>
<input type="number"/> <br/>
<input name="gender"type="radio"/>男
<input name="gender"type="radio"/>女
<input name="gender"type="radio"/>其他<br/>

<input type="checkbox"/>红色<br/>
<input type="checkbox"/>蓝色<br/>
<input type="checkbox"/>绿色<br/><br/><br/>

<textarea></textarea><br/><br/><br/>
用户名：<input type="text"><br>
密码：<input type="text"><br>
<input type="button" value="登录"/><br><br><br>

<input type="text" placeholder="请输入用户名"/><br>
<input type="text"placeholder="请输入密码"/><br>
<input type="button" value="登录"/><br><br><br>

<input type="text" placeholder="请输入用户名"/><br>
<input type="password"placeholder="请输入密码"/><br>
<input type="button" value="登录"/><br><br><br><br><br><br>
<br><br><br>





<ul id="ul-XX">
<li style="color:green;" class="food fruit">芭乐</li>
<li style="color:yellow;" class="food fruit">榴莲</li>
<li style="color:brown;"title=coco>可乐</li>
</ul><br><br><br>

<ul id="ul-YY">
<li>电池</li>
<li  style="color:green;" class="food fruit">榴莲</li>
<li>释迦摩尼</li>
</ul>

li{   
font-size:50px
}

#ul-XX{
    background-color:white
}
#ul-YY{
    background-color:gray 
}