<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf8" />
    <title>GSTC Item slot html content example</title>
    <link rel="stylesheet" href="../../dist/style.css" />
    <!-- replace this path  -->
    <link rel="stylesheet" href="../reset.css" />
    <style>
      html,
      body {
        height: 100%;
      }
      #gstc {
        height: calc(100% - 40px);
      }
      #gen {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        b