IE6 IE7 button not displaying fix - Text Indent not working

IE6_7_TextIndentFix

.btn {
    cursor: pointer;
    cursor: hand;
    display: inline-block;
    text-indent: -9999px;
    background: no-repeat top left;
    
}

.lt-ie8 .btn
{
  zoom: 1;
	display: inline;
	text-indent: 0;
	line-height: 0;
	font-size: 0;
	text-decoration: none;
	overflow: hidden;
}