body#app_splash { background:url(../images/glass.png), -webkit-gradient(radial, center center, 0, center center, 123, color-stop(0%, rgba(239, 248, 255, 0.7)), color-stop(20%, rgba(255, 255, 255, 0.59)), color-stop(100%, rgba(255, 255, 255, 0))),#99CDF4; background:url(../images/glass.png), -webkit-radial-gradient(center center, circle contain, rgba(239, 248, 255, 0.7) 0%, rgba(255, 255, 255, 0.59) 15%,rgba(255, 255, 255, 0.1) 70%, rgba(255, 255, 255, 0) 100%),#99CDF4; background-position: right top, 0 0; background-repeat:no-repeat; text-align:center; font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; color:#fff; /*position:absolute;top:0; left:0; bottom:0; right:0;*/ margin:0; padding:0; border:0; line-height:1; text-rendering:optimizeLegibility; } If you un-comment the "position:absolute;top:0; left:0; bottom:0; right:0;" portion, the radial gradient disappears. Initially I assumed it to be an issue with the position, but later it became convincing that it is a bug. glass.png is a 700x400px semi-transparent PNG image, used to render a glass-shine in the page.