+ background: -webkit-gradient(linear, right top, right bottom, from(transparent), to(black)), -webkit-gradient(linear, right top, left top, from(white), to(rgba(255, 255, 255, 0)));
+ background: linear-gradient(to bottom, transparent 0%, black 100%), linear-gradient(to left, white 0%, rgba(255, 255, 255, 0) 100%);
+ background: -webkit-gradient(linear, left top, left bottom, from(transparent), to(black)), -webkit-gradient(linear, left top, right top, from(white), to(rgba(255, 255, 255, 0)));
+ background: linear-gradient(to bottom, transparent 0%, black 100%), linear-gradient(to right, white 0%, rgba(255, 255, 255, 0) 100%);