/* Numbering for table of contents.
.toc > ul > li is used as the base for the numbering.
This is because the first and only first level TOC element is the heading for the page, so it should be skipped.
*/
.toc > ul > li > ul {
  list-style-type: none;
  counter-reset: toc1-counter;
}

.toc > ul > li > ul > li a:before {
  counter-increment: toc1-counter;
  content: counter(toc1-counter) ". ";
}

.toc > ul > li > ul > li > ul {
  list-style-type: none;
  counter-reset: toc2-counter;
}

.toc > ul > li > ul > li > ul > li a:before {
  counter-increment: toc2-counter;
  content: counter(toc1-counter) "." counter(toc2-counter) ". ";
}

.toc > ul > li > ul > li > ul > li > ul {
  list-style-type: none;
  counter-reset: toc3-counter;
}

.toc > ul > li > ul > li > ul > li > ul > li a:before {
  counter-increment: toc3-counter;
  content: counter(toc1-counter) "." counter(toc2-counter) "." counter(toc3-counter) ". ";
}

.toc > ul > li > ul > li > ul > li > ul > li > ul {
  list-style-type: none;
  counter-reset: toc4-counter;
}

.toc > ul > li > ul > li > ul > li > ul > li > ul > li a:before {
  counter-increment: toc4-counter;
  content: counter(toc1-counter) "." counter(toc2-counter) "." counter(toc3-counter) "." counter(toc4-counter) ". ";
}

.toc > ul > li > ul > li > ul > li > ul > li > ul > li > ul {
  list-style-type: none;
  counter-reset: toc5-counter;
}

.toc > ul > li > ul > li > ul > li > ul > li > ul > li > ul > li a:before {
  counter-increment: toc5-counter;
  content: counter(toc1-counter) "." counter(toc2-counter) "." counter(toc3-counter) "." counter(toc4-counter) "." counters(toc5-counter) ". ";
}

/* Eastern Arabic */

:lang(fa) .toc > ul > li > ul > li a:before {
  content: counter(toc1-counter, arabic-indic) ". ";
}

:lang(fa) .toc > ul > li > ul > li > ul > li a:before {
  content: counter(toc2-counter, arabic-indic) "." counter(toc1-counter, arabic-indic) ". ";
}

:lang(fa) .toc > ul > li > ul > li > ul > li > ul > li a:before {
  content: counter(toc3-counter, arabic-indic) "." counter(toc2-counter, arabic-indic) "." counter(toc1-counter, arabic-indic) ". ";
}

:lang(fa) .toc > ul > li > ul > li > ul > li > ul > li > ul > li a:before {
  content: counter(toc4-counter, arabic-indic) "." counter(toc3-counter, arabic-indic) "." counter(toc2-counter, arabic-indic) "." counter(toc1-counter, arabic-indic) ". ";
}

:lang(fa) .toc > ul > li > ul > li > ul > li > ul > li > ul > li > ul > li a:before {
  content: counter(toc5-counter, arabic-indic) "." counter(toc4-counter, arabic-indic) "." counter(toc3-counter, arabic-indic) "." counter(toc2-counter, arabic-indic) "." counter(toc1-counter, arabic-indic) ". ";
}

/* Western Arabic */

:lang(ar) .toc > ul > li > ul > li a:before {
  content: counter(toc1-counter) ". ";
}

:lang(ar) .toc > ul > li > ul > li > ul > li a:before {
  content: counter(toc1-counter) "." counter(toc2-counter) ". ";
}

:lang(ar) .toc > ul > li > ul > li > ul > li > ul > li a:before {
  content: counter(toc1-counter) "." counter(toc2-counter) "." counter(toc3-counter) ". ";
}

:lang(ar) .toc > ul > li > ul > li > ul > li > ul > li > ul > li a:before {
  content: counter(toc1-counter) "." counter(toc2-counter) "." counter(toc3-counter) "." counter(toc4-counter) ". ";
}

:lang(ar) .toc > ul > li > ul > li > ul > li > ul > li > ul > li > ul > li a:before {
  content: counter(toc1-counter) "." counter(toc2-counter) "." counter(toc3-counter) "." counter(toc4-counter) "." counter(toc5-counter) ". ";
}


/* Numbering for headings. */

h1 {
  counter-reset: h2counter;
}

h2 {
  counter-reset: h3counter;
  counter-increment: h2counter;
}

h3 {
  counter-reset: h4counter;
  counter-increment: h3counter;
}

h4 {
  counter-reset: h5counter;
  counter-increment: h4counter;
}

h5 {
  counter-reset: h6counter;
  counter-increment: h5counter;
}

h6 {
  counter-increment: h6counter;
}

h2:before {
  content: counter(h2counter) ". ";
}

h3:before {
  content: counter(h2counter) "." counter(h3counter) ". ";
}

h4:before {
  content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) ". ";
}

h5:before {
  content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) "." counter(h5counter) ". ";
}

h6:before {
  content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) "." counter(h5counter) "." counter(h6counter) ". ";
}

/* Eastern Arabic */
:lang(fa) h2:before {
  content: counter(h2counter, arabic-indic) ". ";
}

:lang(fa) h3:before {
  content: counter(h3counter, arabic-indic) "." counter(h2counter, arabic-indic) ". ";
}

:lang(fa) h4:before {
  content: counter(h4counter, arabic-indic) "."  counter(h3counter, arabic-indic) "." counter(h2counter, arabic-indic) ". ";
}

:lang(fa) h5:before {
  content: counter(h5counter, arabic-indic) "." counter(h4counter, arabic-indic) "."  counter(h3counter, arabic-indic) "." counter(h2counter, arabic-indic) ". ";
}

:lang(fa) h6:before {
  content: counter(h6counter, arabic-indic) "." counter(h5counter, arabic-indic) "." counter(h4counter, arabic-indic) "."  counter(h3counter, arabic-indic) "." counter(h2counter, arabic-indic) ". ";
}

/* Western Arabic */

:lang(ar) h2:before {
  content: counter(h2counter) ". ";
}

:lang(ar) h3:before {
  content: counter(h2counter) "." counter(h3counter) ". ";
}

:lang(ar) h4:before {
  content: counter(h2counter) "."  counter(h3counter) "." counter(h4counter) ". ";
}

:lang(ar) h5:before {
  content: counter(h2counter) "." counter(h3counter) "."  counter(h4counter) "." counter(h5counter) ". ";
}

:lang(ar) h6:before {
  content: counter(h2counter) "." counter(h3counter) "." counter(h4counter) "."  counter(h5counter) "." counter(h6counter) ". ";
}