#operations{color:#111111;color:#111111;height:9px;width:3em;text-shadow:-1px -1px 1px red,6px 5px 5px yellow;substraction:0;division:1;}
#operations .spacing{height:9px;width:3em;}
.with-variables{height:16em;width:24em;size:1cm;}
.negative{height:0;width:4px;}
a{width:48px;}
.shorthands{padding:-1px 2px 0 -4px;}
.colors{color:#112233;border-color:#334455;background-color:#000000;}
.colors .other{color:#222222;border-color:#222222;}
.parens{border:2px solid black;margin:1px 3px 16 3;width:36;padding:2px 36px;}
.more-parens{padding:8 4 4 4px;width:96;height:113;margin:12;margin:36 px;}
.nested-parens{width:71;height:6;}
.mixed-units{margin:2px 4em 1 5pc;padding:6px 1em 2px 2;}
.bm{padding:0;}
h1{margin:1px;}