v2.00

You can specify "theme" on global or procedure level:

<global theme="Blue theme">

An example of theme

  <theme name="Blue theme">
    <!-- color codes from http://www.computerhope.com/htmcolor.htm -->
    
    <type name="window" prop="fillcolor" color="10583155"/> <!-- Slate Blue -->

    <type name="list" prop="fillcolor" color="13089173"/>  <!-- Baby Blue -->
    <type name="list" prop="fontcolor" color="9247509"/>   <!-- Denim Dark Blue -->
    <type name="list" prop="fontsize" value="10"/>
    <type name="list" prop="selectedfillcolor" color="8285526"/>   <!-- Marble Blue -->
    <type name="list" prop="flat" value="1"/>
    
    <type name="text" prop="fontcolor" color="white"/>

    <type name="button" prop="fillcolor" color="8269108"/> <!-- Blue Whale -->
    <type name="button" prop="fontcolor" color="white"/>
    
    <type name="entry" prop="fillcolor" color="gray"/>
    <type name="entry" prop="fontcolor" color="yellow"/>
    <type name="entry" prop="fontstyle" style="bold"/>
    
    <type name="prompt" prop="fontcolor" color="blue"/>
    <type name="prompt" prop="trn" value="1"/>

    <type name="string" prop="fontcolor" color="blue"/>
    <type name="string" prop="trn" value="1"/>
    
    <!-- custom caption -->
    <caption usemin="0" usemax="0" useclose="1" usehelp="1" useoptions="0">
      <ImageName>DSCN0422.JPG</ImageName>
      <Uri>https://github.com/mikeduglas/Script-Player</Uri>
      <text>
        <fontname>Segoe UI</fontname>
        <fontcolor>yellow</fontcolor>
        <fontsize>14</fontsize>
        <!--<fontstyle>underline</fontstyle>-->
        <charset>204</charset>
        <align>center</align>  <!-- 0-left (default), 1-center, 2-right -->
      </text>
      <buttons>
        <!--<fontcolor>white</fontcolor>-->
        <!--<fontsize>16</fontsize>-->
      </buttons>
    </caption>
  </theme>

Screenshot of themed school demo. Left browse and form are not themed, right ones are themed and have custom caption bar.