新浪博客的文字背景怎么弄成透明的

-<STYLE type=text/css>
.label .top
{background:#transparent}
.links .bottom
{background:#transparent}
.photo .top
{background:#transparent}
.photo .bottom
{background:#transparent}
.label .bottom
{background:#transparent}
.label .top
{background:#transparent}
.links .up
{background:#transparent}
.links .down
{background:#transparent}
.links .mid
{background:#transparent}
.photo .mid
{background:#transparent}
.label .mid
{background:#transparent}
.callboard .up
{background:#transparent}
.callboard .down
{background:#transparent}
.callboard .mid
{background:#transparent}
.menu
{background:#transparent}
</STYLE>

<STYLE type=text/css>
.logo{display:none;}
.bodyTop {display:none;}
.gbook .title{display:none;}
.foot{display:none;}
</STYLE>

<STYLE type=text/