<?xml version="1.0" encoding="UTF-8"?>

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mtext color="#f05">Theorem 1:</mtext> 
    <mtext fontweight="bold">Now is</mtext> 
    <mtext fontstyle="italic">the time</mtext> 
    <mtext fontfamily="Helvetica">for</mtext> 
    <mtext fontsize="10pt">MathML</mtext> 
  </mrow> </math>