魔力怀旧4档 花屏:网页高手请进!我想把的日志前面的项目栏都改成透明的应该怎么改源码?

源码一部分
/* CSS Document */
/*主体*/
html{
scrollbar-face-color:#F1F7FC;
scrollbar-highlight-color:#9DB9E0;
scrollbar-shadow-color:#9DB9E0;
scrollbar-3Dlight-color:#F1F7FC;
scrollbar-arrow-color:#9DB9E0;
scroll-track-color:#F1F7FC;
scroll-darkshadow-color:#F1F7FC;
}

body{
margin:0px 0px 0px 0px;
text-align: center;
background-image:url(http://0.blog.xuite.net/0/1/5/3/15189732/blog_357181/txt/6817194/0.jpg);
background-attachment:fixed;
background-repeat:repeat;

}

/*连结*/
A {
color: #999966;
text-decoration: none;
}
A:link {
color:#4C6488;
text-decoration:none;
}
A:visited {
color: #4C6488;
text-decoration:none;
}
A:active {
color: #647B9D;
text-decoration:none;
}
A:hover {
color: #647B9D;
text-decoration:none;
}
/*定位框*/
#container {
position:relative;
text-align: left; /*width:100%;*/ behavior:expression( this.style.width = (document.documentElement.offsetWidth<990)?"990px":"100%");
min-width:990px;
padding:0px 0px 0px 0px;
margin:0px auto;
background-image:url(http://0.blog.xuite.net/0/1/5/3/15189732/blog_357181/6817319/0.jpg);
background-repeat:no-repeat;
}

/*档头*/
#banner{
margin: 0px 5px 0px 5px;
padding: 0px;
height: 200px;