background: -moz-linear-gradient(to left, rgba(0,0,0,0), rgba(0,0,0,1));
**background: -webkit-gradient(linear, left, right, color-stop(100%, rgba(0,0,0,1), color-stop(0%, transparent)));**
background: -webkit-linear-gradient(to left, rgba(0,0,0,0), rgba(0,0,0,1));
background: -o-linear-gradient(to left, rgba(0,0,0,0), rgba(0,0,0,1));
background: -ms-linear-gradient(to left, rgba(0,0,0,0), rgba(0,0,0,1));
background: linear-gradient(to left, rgba(0,0,0,0), rgba(0,0,0,1));
**filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00000000', endColorstr='#a6000000',GradientType=0 );**
Please check the bold one which I can’t veryfy myself.