 }
.ref-number-fig::after, .ref-number-tab::after { content: ":"; }
.cross-ref-chp::before { content: "Chapter "; }
.cross-ref-sec::before { content: "Section "; }
.cross-ref-fig::before, .ref-number-fig::before { content: "Figure "; }
.cross-ref-tab::before, .ref-number-tab::before { content: "Table "; }
.cross-ref-eqn::before, .MathJax_ref:has(mjx-mtext > mjx-c + mjx-c)::before { content: "Equation "; }
.abstract, #refs {
  &::before { display: block; margin: 1em auto; font-weight: bold; }
}
.abstract::be