title: How change written part color in LaTeX block on a tikzposter?
body: <p>How can I set the written part inside the &quot;block&quot; as white color?</p>
  <pre><code>\documentclass{tikzposter}
  \usepackage[paperwidth=1080px,paperheight=1980px]{geometry}
  \usepackage{xcolor}
  
  %\usetheme{Board}
  
  \begin{document}
  
  % See Section 4.1
  \column{0.7}
  \block{A test!}{
  }
  
  
  \end{document}
  
  \end{document}
  </code></pre>
  <p>This one is compiling if you run it on overleaf</p>