悬浮窗口代码

<div class="public-container-max">
        
        <div class="s-nav">
                <a href="#"><img id="s-nav-a" src="images/jiaoyi-2_03.gif"></a>
                <a href="#"><img id="s-nav-b" src="images/jiaoyi-2_05.gif"></a>
                <a href="#"><img id="s-nav-c" src="images/jiaoyi-2_06.gif"></a>
                <a href="#top"><img id="s-nav-d" src="images/jiaoyi-2_07.gif"></a>
            </div>
</div>

.public-container-max
{
    position: relative;
    margin: 0 auto;
    width: 1000px;
}

.s-nav
{
    width:70px; 
    height: 280px; 
    position:fixed;
    left:50%;
    top:69%;
    margin-left:535px;
    background-color:#333333;
}

#s-nav-b
{
    margin-top:-3px;
}
#s-nav-c
{
    margin-top:-4px;
}
#s-nav-d
{
    margin-top:-4px;
    
}