:root { color-scheme: light dark; }
body { font-family: "Iowan Old Style", Palatino, Georgia, serif; margin: 0; line-height: 1.45; }
header, main { max-width: 40rem; margin: 0 auto; padding: 1rem; }
nav a, nav span, nav form { margin-right: 0.8rem; }
nav form { display: inline; }
table { border-collapse: collapse; width: 100%; }
td, th { text-align: left; padding: 0.3rem 0.4rem; border-bottom: 1px solid #ccc; }
form p { margin: 0.4rem 0; }
button, input[type="range"] { font: inherit; }
button { padding: 0.3rem 0.7rem; }
input[type="range"] { width: 100%; }
.aviso { min-height: 1.2rem; }
.fonte { color: #555; }
.regras { white-space: pre-wrap; }
a.botao { display: inline-block; margin: 0.3rem 0.6rem 0.3rem 0; padding: 0.3rem 0.7rem; border: 1px solid #888; text-decoration: none; }