body { color: black;
       background: #ffff80; }

:link { color: #0000ee }
:visited { color: #551a8b }
:active { color: #ff0000 }

/* table { empty-cells: show }
caption { caption-side: bottom; } */

h1.c { text-align: center }
/* h2 { font-size: 150% }
h3 { font-size: 100% } */

span.red { color: #ff0000 }
span.rb  { color: #ff0000; font-weight: bold }
span.bi  { color: #0000ff; font-style: italic }

sub { font-size: 50% }

div.c { text-align: center }