\documentclass[a0paper,portrait]{baposter}
\usepackage{tppda}

\begin{document}

%Background image: uncomment the following to add a background image and set background to "user"
% \background{
%     \begin{tikzpicture}[remember picture,overlay]%
%         \draw (current page.north west)+(-2em,2em) node[anchor=north west]
%         {\includegraphics[height=1.05\textheight]{./figures/image_bg.pdf}};
%     \end{tikzpicture}%
% }

\begin{poster}{
    grid=false,
    columns=3, % Number of columns
    colspacing=2.7mm, % Column spacing
    bgColorOne=white, % Background color for the gradient on the left side of the poster
    bgColorTwo=white, % Background color for the gradient on the right side of the poster
    borderColor=Mycolor2, % Border color
    headerColorOne=Mycolor2, % Background color for the header in the content boxes (left side)
    headerColorTwo=Mycolor2, % Background color for the header in the content boxes (right side)
    headerFontColor=white, % Text color for the header text in the content boxes
    background=none, % Set to "user" for a personnal background image
    boxColorOne=white, % Background color of the content boxes
    headerborder=open, % Adds a border around the header of content boxes
    textborder=rounded, %rectangle, % Format of the border around content boxes, can be: none, bars, coils, triangles, rectangle, rounded, roundedsmall, roundedright or faded
    eyecatcher=false, % Set to false for ignoring the left logo in the title and move the title left
    headerheight=0.105\textheight, % Height of the header
    headershape=rounded, % Specify the rounded corner in the content box headers, can be: rectangle, small-rounded, roundedright, roundedleft or rounded
    headershade=plain,
    headerfont=\huge\Unistra, % Large, bold and sans serif font in the headers of content boxes
    textfont={\small\setlength{\parindent}{3mm}}, % Uncomment for paragraph indentation
    linewidth=2pt % Width of the border lines around content boxes
}
{
    % Eye Catcher
}
{
    % Poster Title
    \vspace{2.0mm}
    \color{black}{\UnistraEnc{(\_(\_((\_Nice\_title\_in\_\textbf{Unistra}\_with\_boxes\_all\_around:\_) \newline (\_How\_nice\_right\_?\_))\_\_)}}
}
{
    % Author(s) Name(s), affiliation(s)
    \newline\color{white}{\Unistra{\textbf{My Name}, under the direction of \textbf{My Director}, with my team.}\hfill\small{\textbf{My Lab}, myeamail@sendmecatspics.pls}  % Author email addresses
    }
}
{
    % University Logo
}

\pgfsetfillopacity{0.85}

%
%----------------------------------------------------------------------------------------
%	Poster content
%----------------------------------------------------------------------------------------
%
\headerbox{first tiny left box}{name=namefirstbox,column=0,row=0,span=1}{
}

\headerbox{second box on right}{name=namesecondbox,column=1,row=0,span=2,bottomaligned=namefirstbox}{
}

\headerbox{third large box under the first two}{name=namethirdbox,column=0,below=namesecondbox,span=3}{
}

\headerbox{fourth large box as example}{name=namefourthbox,column=0,below=namethirdbox,span=3}{
}

\headerbox{}{headershape=rectangle, name=foottext, column=0, span=3, above=bottom, textborder=none, borderColor=Mycolor2,  boxheaderheight=1pt}{
    \setlength{\parindent}{0mm}
    % 1. minipage for references
    \begin{minipage}{.60\textwidth}
        \tiny\bibliography{poster}
    \end{minipage}
    \hfill\vline\hfill
    %
    % 2. minipage for logos
    \begin{minipage}{.10\textwidth}
        some logos
    \end{minipage}
    \hfill\vline\hfill
    %
    \begin{minipage}{.25\textwidth}
        \centering\includegraphics[trim={0 0 0.5cm 0},width=.99\textwidth]{figures/logo_ObAS_k.pdf}
    \end{minipage}
}

\end{poster}

\end{document}