Css Transparent Note

//transparent background - cross browser

.content-outer {
filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr='#6cffae00', endColorstr='#6cffae00');
-webkit-transition: background, color 0.4s linear;
background: rgba(255, 174, 0, 0.6);
_background: rgb(255, 174, 0);
_filter:alpha(opacity=50);
zoom:1;
margin: 0 auto;
padding-top: 3px;
}

//fix png transparent for IE6

.main-inner .column-center-outer {
margin-top:20px;
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled =true, sizingMethod=scale src='http://blogblog.com/1kt/travel/bg_black_50.png')  left;
background: transparent url(http://blogblog.com/1kt/travel/bg_black_50.png) repeat scroll top left;
_background-image: none;
}