\documentclass[border={.5 .5 .5 2mm}]{standalone}

\usepackage{graphicx}
\usepackage[usenames,dvipsnames,svgnames,table]{xcolor}
\usepackage{libertine}
\usepackage[endianness=big]{bytefield}
\usepackage{rotating}

\usepackage[none]{hyphenat}

\definecolor{light-gray}{gray}{0.93}
\definecolor{light-green}{rgb}{0.9,1.0,0.9}

\newcommand{\colorbitbox}[3]{%
\rlap{\bitbox{#2}{\color{#1}\rule{\width}{\height}}}%
\bitbox{#2}{#3}}

\newlength{\maxheight}\setlength{\maxheight}{\heightof{W}}

\newcommand{\baselinealign}[1]{%
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\newcommand{\bitlabel}[2]{%
  \bitbox[]{#1}{%
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\begin{document}

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