I've change the code of floatbox-play.css to this:
and it gave me more transparency on overall button but it's still nt taking into account transparency prom png (there shouldn't be square visible). PLEASE HELP.
.fbp_videopreview {
display: block;
position: relative;
}
.fbp_videopreviewbutton {
border: 0px;
position: absolute;
margin:0px;
filter: alpha(opacity=50);
/* other browsers */
opacity: 0.5;
/* for IE5-7 */
filter: alpha(opacity=80);
/* for IE8 */
-ms-filter:"progid
XImageTransform.Microsoft.Alpha(Op acity=80)";
}
.fbp_videopreviewplay {
position: absolute;
color: white;
font: normal normal normal 75px/75px Helvetica;
text-align: center;
height: 100px;
width: 100px;
/* other browsers */
opacity: 0.8;
/* for IE5-7 */
filter: alpha(opacity=80);
/* for IE8 */
-ms-filter:"progid
XImageTransform.Microsoft.Alpha(Op acity=80)";
}