index.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>Document</title>
    <style>
      input:focus {
        background-color: lightgoldenrodyellow;
      }
      input:required {
        background-color: darksalmon;
      }
      input::selection,
      p::selection {
        background-color: darkolivegreen;
        font-size: larger;
      }
    </style>
  </head>
  <body>
    <form action="">
      <input type="text" name="imie" id="im" />
      <input type="text" name="nazw" id="n" />
      <input type="tel" name="tel" id="tl" required />
      <input type="range" name="rg" id="rg" />
      <input type="password" name="paswd" id="ps" />
    </form>
    <p>
      kjhvkfhfk ksdjfhgksjhdkfhg ksdjfgk shdkfgh ksdhf kghsdkgh kdhg kdfh gkj
    </p>
  </body>
</html>