Adding @include border-radius(10px);
to .my-overlay
works in Chrome
.my-overlay {
@include transition(opacity 0.2s ease);
@include box-shadow(inset 0 0 10em 7em #000);
@include border-radius(10px);
opacity: 0; // Switch this to 1 to see that it works
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
}