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Edit File: bison-default.css

/* Default styling rules for Bison when doing terminal output.
   Copyright (C) 2019-2020 Free Software Foundation, Inc.

This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* This is an experimental feature.  The class names may change in the
   future.  */

/* Diagnostics.  */
.warning   { color: purple; }
.error     { color: red; }
.note      { color: cyan; }

.fixit-insert { color: green; }

/* Semantic values in Bison's own parser traces.  */
.value     { color: green; }

/* "Sections" in traces (--trace).  */
.trace0    { color: green; }

/* Syntax error messages.  */
.expected   { color: green; }
.unexpected { color: red; }

/* Counterexamples.  */

/* Cex: point in rule.  */
.cex-dot { color: red; }

/* Cex: coloring various rules.  */
.cex-0   { color: yellow; }
.cex-1   { color: green; }
.cex-2   { color: blue; }
.cex-3   { color: purple; }
.cex-4   { color: violet; }
.cex-5   { color: orange; }
.cex-6   { color: brown; }
.cex-7   { color: mauve; }
.cex-8   { color: #013220; } /* Dark green. */
.cex-9   { color: #e75480; } /* Dark pink. */
.cex-10  { color: cyan; }
.cex-11  { color: orange; }

/* Cex: derivation rewriting steps.  */
.cex-step { font-style: italic; }

/* Cex: leaves of a derivation.  */
.cex-leaf { font-weight: 600; }