代碼如下：
<divclass="inner">
<divclass="innerbox">
<pstyle="height:200px;">這是內容111</p>
<pstyle="height:400px;">這里是內容222</p>
<p>這里是內容333</p>
</div>
</div>
.inner{
width:265px;
height:400px;
position:absolute;
top:33px;
left:13px;/*cursor:pointer;*/
overflow:hidden;
}
.innerbox{
overflow-x:hidden;
overflow-y:auto;
color:#000;
font-size:.7rem;
font-family:"\5FAE\8F6F\96C5\9ED1",Helvetica,"黑體",Arial,Tahoma;
height:100%;
}/*滾動條樣式*/
.innerbox::-webkit-scrollbar{/*滾動條整體樣式*/
width:4px;/*高寬分別對應橫豎滾動條的尺寸*/
height:4px;
}
.innerbox::-webkit-scrollbar-thumb{/*滾動條里面小方塊*/
border-radius:5px;
-webkit-box-shadow:inset005pxrgba(0,0,0,0.2);
background:rgba(0,0,0,0.2);
}
.innerbox::-webkit-scrollbar-track{/*滾動條里面軌道*/
-webkit-box-shadow:inset005pxrgba(0,0,0,0.2);
border-radius:0;
background:rgba(0,0,0,0.1);
}