背景半透明效果CSS链接样式代码

a.menu_a_2,a.menu_a_2:link,a.menu_a_2:visited { display:block; width:75px; height:35px; float:left; line-height:35px; text-align:center; color:#FFFFFF; font-weight:bold; font-size:14px;}
a.menu_a_2:hover {display:block; width:75px; height:35px; float:left; line-height:35px; text-align:center; color:#000000; font-weight:bold; font-size:14px;
background-color: #FFF;
filter: Alpha(opacity=50);
-moz-opacity:.3;
opacity:0.3; }

.Logo {float:left;width:280px;height:60px;padding-:14px;text-align:left;}
.Logo span {display:inline-block;width:270px;height:60px;background:url(logo.gif) no-repeat;}</p> <p><A href="/"><SPAN></SPAN></A>