files/03_root.html


<!DOCTYPE HTML>
<html>
<head>
<style>
head, style {display: block;}
[contenteditable] {-webkit-user-modify: read-write-plaintext-only;}
style:first-of-type {visibility:hidden;}
style:last-of-type {padding: 20px; font-size: 1.5em; white-space: pre; font-family: monospace; white-space:pre; border-radius: 10px; border: 3px solid #aaa; background-color:#dedede; margin: 20px auto; width: 80%; font-family:"Courier New", Courier, monospace;}
ol {font-family:Verdana, Geneva, sans-serif; font-size:1.2em}
li {color: black;}
:root {background-color:#ccc; 
  background-image:url(../css/page-bg.jpg);}
</style>

<style contenteditable>
:root {background-color:#ccc; 
  background-image:url(../css/page-bg.jpg);}
input[type=checkbox]:checked + label {color: red;}
input:valid { border: 1px solid green;}
input:invalid { border: 1px solid red;}
input:required {border-width: 5px;}
input:optional {border-width: 10px;}
input:out-of-range { background-color: pink;}
input:in-range { background-color:lightgreen;}
</style>
<title>CSS UI Selector</title>
</head>

<body><ol>
<li><input type="checkbox" id="test1ck"/> <label  for="test1ck">Check and Uncheck Me</label></li>
<li>
  <input type="checkbox" id="test2ck"/> <label  for="test2ck">Check and uncheck me too!</label>
  </li>
<li>
  <input type="number" min="5" max="7" id="test3ck" required/> 
  <label  for="test3ck">Number between 5 an 7</label>
</li>
<li><input type="color" pattern="#[a-fA-F0-9]{6}" id="test4ck" /> <label  for="test4ck">Hexidecimal color</label></li>
</ol>
</body>
</html>