bibheader.tex

\documentclass[bibliography=totoc,captions=tableheading,titlepage=firstiscover]{scrartcl}

\usepackage{scrhack}

\usepackage[aux]{rerunfilecheck}

\usepackage{polyglossia}
\setmainlanguage{german}

\usepackage[backend=biber,]{biblatex}
\addbibresource{lit.bib}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{mathtools}

\usepackage{fontspec}

\usepackage[
  math-style=ISO,
  bold-style=ISO,
  sans-style=italic,
  nabla=upright,
  partial=upright,
]{unicode-math}

\usepackage[
  locale=DE,
  separate-uncertainty=true,
  per-mode=reciprocal,
  output-decimal-marker=.,
]{siunitx}

\usepackage{float}
\floatplacement{figure}{htbp}
\floatplacement{table}{htbp}

\usepackage[
  labelfont=bf,
  font=small,
  width=0.9\textwidth,
]{caption}

\usepackage{graphicx}
\usepackage{grffile}
\usepackage{subcaption}

\usepackage{booktabs}

\usepackage[
  unicode,
]{hyperref}

\usepackage{bookmark}