table.WolframAlphaWidget.blackWidgetTheme tr th,
.WolframAlphaWidgetLarge.blackWidgetTheme .waw_header,
table.WolframAlphaWidget.blackWidgetTheme .submit .m,
.WolframAlphaWidgetLarge.blackWidgetTheme .wolframAlphaWidgetContent .submit .m {
  background-image: url(//www.wolframcdn.com/widget/black_theme_vertical.png);
}

table.WolframAlphaWidget.blackWidgetTheme tr th.l,
.WolframAlphaWidgetLarge.blackWidgetTheme .waw_header .l,
table.WolframAlphaWidget.blackWidgetTheme tr th.r,
.WolframAlphaWidgetLarge.blackWidgetTheme .waw_header .r,
.WolframAlphaWidgetLarge.blackWidgetTheme .waw_header.sm .close,
table.WolframAlphaWidget.blackWidgetTheme .bot .l,
table.WolframAlphaWidget.blackWidgetTheme .bot .r,
table.WolframAlphaWidget.blackWidgetTheme .submit .l,
.WolframAlphaWidgetLarge.blackWidgetTheme .wolframAlphaWidgetContent .submit .l,
table.WolframAlphaWidget.blackWidgetTheme .submit .r,
.WolframAlphaWidgetLarge.blackWidgetTheme .wolframAlphaWidgetContent .submit .r {
  background-image: url(//www.wolframcdn.com/widget/black_theme_crn.png);
}