webkitwebview > dimming {
  background: alpha(#000, 0.12);
}

webkitwebview > shadow {
  min-width: 56px;
}

webkitwebview > shadow.right {
  background-image:
    linear-gradient(to left,
                    alpha(#000, 0.05),
                    alpha(#000, 0.01) 40px,
                    alpha(#000, 0) 56px),
    linear-gradient(to left,
                    alpha(#000, 0.03),
                    alpha(#000, 0.01) 7px,
                    alpha(#000, 0) 24px);
}

webkitwebview > shadow.left {
  background-image:
    linear-gradient(to right,
                    alpha(#000, 0.05),
                    alpha(#000, 0.01) 40px,
                    alpha(#000, 0) 56px),
    linear-gradient(to right,
                    alpha(#000, 0.03),
                    alpha(#000, 0.01) 7px,
                    alpha(#000, 0) 24px);
}

webkitwebview > border {
  min-width: 1px;
  background: alpha(#000, 0.05);
}

webkitwebview > outline {
  min-width: 1px;
  background: alpha(#fff, 0.05);
}