Untitled

#include <pgmspace.h>
char index_html[] PROGMEM = R"=====(
<!doctype html>
<html lang='de' dir='ltr'>
<head>
  <meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
  <meta name='viewport' content='width=device-width, initial-scale=1.0' />
  <title>Zapfen Control</title>
  <script type='text/javascript' src='main.js'></script>

  <style>
    body {
      font-family:Arial,sans-serif;
      margin:10px;
      padding:0;
      background-color:#202020;
      color:#909090;
      text-align:center;
    }

    .flex-row {
      display:flex;
      flex-direction:row;
    }

    .flex-row-wrap {
      display:flex;
      flex-direction:row;
      flex-wrap:wrap;
    }

    .flex-col {
      display:flex;
      flex-direction:column;
      align-items:center;
    }

    input[type='text'] {
      background-color: #d0d0d0;
      color:#404040;
    }

    ul {
      list-style-type: none;
    }

    ul li a {
      display:block;
      margin:3px;
      padding:10px;
      border:2px solid #404040;
      border-radius:5px;
      color:#909090;
      text-decoration:none;
    }

     ul li b {
      display:block;
      margin:3px;
      padding:8px;
      border:3px solid #C00000;
      border-radius:4px;
      color:#606060;
    }

    ul#modes li a {
      min-width:200px;
    }

    ul.control li a {
      min-width:50px;
      min-height:25px;
    }

    ul.control {
      display:flex;
      flex-direction:row;
      justify-content: flex-end;
      align-items: center;
      padding: 0px;
    }

    ul.timer {
      display:flex;
      flex-direction:row;
      border:2px solid #404040;
      border-radius:4px;
      justify-content: flex-end;
      align-items: center;
      padding: 2px;
    }

    ul li a.active {
      border:2px solid #909090;
    }

    .style1{
       font-size: 12pt;
    }

  </style>
</head>
<body>
<h1>Zapfen Control <span class="style1">by Devilscave</span></h1>

   <div class='flex-row'>
   <div class='flex-col'>
    <div>
    <ul class='control'>
    <li><b href='#' onclick="onReset(event, '-')">WIFI-RESET</b></li>
    <li><b href='#' onclick="onReset(event, '+')">Effect-RESET</b></li>
    </ul></div>

      <div><canvas id='color-canvas' width='300' height='300'></canvas><br/></div>
      <div><input type='text' id='color-value' oninput='onColor(event, this.value)'/></div>
      <div>

        <ul class='control'>
          <li>Change Effect:</li>
          <li><a href='#' onclick="onSwitch(event, '-')">last</a></li>
          <li><a href='#' onclick="onSwitch(event, '+')">next</a></li>
        </ul>
        <ul class='control'>
          <li>Brightness:</li>
          <li><a href='#' onclick="onBrightness(event, '-')">&#9788;</a></li>
          <li><a href='#' onclick="onBrightness(event, '+')">&#9728;</a></li>
        </ul>

        <ul class='control'>
          <li>Speed:</li>
          <li><a href='#' onclick="onSpeed(event, '-')">&#8722;</a></li>
          <li><a href='#' onclick="onSpeed(event, '+')">&#43;</a></li>
        </ul>

        <ul class='control'>
          <li>Auto cycle:</li>
          <li><a href='#' onclick="onAuto(event, '-')">&#9632;</a></li>
          <li><a href='#' onclick="onAuto(event, '+')">&#9658;</a></li>
        </ul>
        </ul>
            <ul class='timer'>
          <li><input type="checkbox" name="Timeaktiv" id="time" value="z"/>Zeitschaltuhr aktivieren  </li>
          <li>Einschaltzeit: <input type="text" placeholder="16.00" pattern="[0-9]{5}" title="KEIN gültiges Zeitformat (mit "." Trennung)" name="antime" id="AN" /></li>
          <li>Ausschaltzeit: <input type="text" placeholder="23.00" pattern="[0-9]{5}" title="KEIN gültiges Zeitformat (mit "." Trennung)" name="austime" id="AUS" /></li>
          <li><input type="submit" value="Speichern"/></li>
        </ul>
      </div>

    </div>

    <div>
      <ul id='modes' class='flex-row-wrap'>
    </div>
  </div>
</body>
</html>
)=====";