\documentclass[25pt, a0paper, landscape, margin=0mm, innermargin=20mm,
blockverticalspace=2mm, colspace=20mm, subcolspace=0mm]{tikzposter} %Default values for poster format options.

\input{packages}
\input{style}

\begin{document}

\renewcommand{\baselinestretch}{1}
\title{\parbox{1900pt}{A dark template to make colorful figures pop}}
\author{Sina Prause, Alexander Wendt, Patrick Weygoldt}
\institute{Supervised by Till Raab \& Jan Benda}
\usetitlestyle[]{sampletitle}
\maketitle
\renewcommand{\baselinestretch}{1.4}

\begin{columns}
\column{0.3}
\myblock[TranspBlock]{Introduction}{
    \lipsum[1][1-5]
    \begin{tikzfigure}[]
        \label{griddrawing}
        \includegraphics[width=\linewidth]{example-image-a}
    \end{tikzfigure}
}

\myblock[TranspBlock]{Methods}{
    \begin{tikzfigure}[]
        \label{detector}
        \includegraphics[width=\linewidth]{example-image-b}
    \end{tikzfigure}
}

\column{0.4}
\myblock[TranspBlock]{Results}{
    \lipsum[3][1-5]
    \begin{tikzfigure}[]
        \label{modulations}
        \includegraphics[width=\linewidth]{example-image-c}
    \end{tikzfigure}
}

\myblock[TranspBlock]{More Stuff}{
    \lipsum[3][1-9]
}

\column{0.3}
\myblock[TranspBlock]{More Results}{
    \begin{tikzfigure}[]
        \label{results}
        \includegraphics[width=\linewidth]{example-image-a}
    \end{tikzfigure}

    \begin{multicols}{2}
    \lipsum[5][1-8]
    \end{multicols}
    \vspace{-1cm}
}

\myblock[TranspBlock]{Conclusion}{
    \begin{itemize}
        \setlength\itemsep{0.5em}
        \item \lipsum[1][1]
        \item \lipsum[1][1]
        \item \lipsum[1][1]
    \end{itemize}
    \vspace{0.2cm}
    }
\end{columns}

\node[
    above right,
    text=white,
    outer sep=45pt,
    minimum width=\paperwidth,
    align=center,
    draw,
    fill=boxes,
    color=boxes,
] at (-0.51\paperwidth,-43.5) {
    \textcolor{text}{\normalsize Contact: name.surname@student.uni-tuebingen.de}};

\end{document}