<html>
  <!DOCTYPE html>
  <html lang="en">
    <head>
      <meta charset="UTF-8" />
      <meta http-equiv="X-UA-Compatible" content="IE=edge" />
      <meta name="viewport" content="width=device-width, initial-scale=1.0" />
      <title>Learning HTML & CSS</title>

      <link href="style.css" rel="stylesheet" />
    </head>
    <body>
      <h1>JavaScript is fun but is so HTML and CSS!</h1>
      <p class="first">
        you can learn JavaScript without HTML and CSS, but for DOM manipulation
        it's useful to have some basic ideas of HTM & CSS. You can watch some
        tutorial in
        <a href="https://www.youtube.com/channel/UCHPPjaRo_OF_WqxGhnylz6g">
          Youtube.
        </a>
      </p>

      <img
        id="kali-image"
        src="https://3.bp.blogspot.com/-rUrnR2hL-As/WjTu3AOa6BI/AAAAAAAAAso/ZPSVkTFvv_wPRQl9TgIDcZnej_R3K_agQCLcBGAs/w1200-h630-p-k-no-nu/Kali%2BLinux%2B2017.3%2B%2B64%2Bbit%2BMate%2BFree%2BDownload.jpg"
      />
      <h2>Another Heading</h2>
      <p class="second">just another paragraph</p>

      <form id="your-name">
        <h2>Your name here</h2>
        <p class="first">Please fill in these form</p>
        <input type="text" placeholder="Your name" />
        <button>Ok!</button>
      </div>
    </body>
  </html>
</html>
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: rgb(161, 40, 40);
  font-family: Arial;
  font-size: 20px;
  padding: 50px;
}

h1 {
  font-size: 40px;
  margin-bottom: 25px;
}
h2 {
  margin-bottom: 20px;
  text-align: center;
}

p {
  margin-bottom: 20px;
}
.first {
  color: goldenrod;
}

#your-name {
  background-color: rgb(13, 53, 232);
  border: 5px solid grey;
  width: 400px;
  padding: 25px;
  margin-top: 30px;
}

input,
button {
  padding: 20px;
  font-size: 16px;
}

a {
  background-color: yellow;
}

#your-name h2 {
  color: rgb(35, 243, 115);
}

#kali-image {
  height: 200px;
  width: 500px;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.