Check out example codes for "materialize css". It will help you in understanding the concepts better.

Code Example 1

<!-- Compiled and minified CSS -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0/css/materialize.min.css">

    <!-- Compiled and minified JavaScript -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0/js/materialize.min.js"></script>

Code Example 2

<div class="row">
    <div class="col s12 m6">
      <div class="card blue-grey darken-1">
        <div class="card-content white-text">
          <span class="card-title">Card Title</span>
          <p>I am a very simple card. I am good at containing small bits of information.
          I am convenient because I require little markup to use effectively.</p>
        </div>
        <div class="card-action">
          <a href="#">This is a link</a>
          <a href="#">This is a link</a>
        </div>
      </div>
    </div>
  </div>

Code Example 3

<link href="https://unpkg.com/[email protected]^1.0/dist/tailwind.min.css" rel="stylesheet">

Code Example 4

<!DOCTYPE html>
  <html>
    <head>
      <!--Import Google Icon Font-->
      <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
      <!--Import materialize.css-->
      <link type="text/css" rel="stylesheet" href="css/materialize.min.css"  media="screen,projection"/>

      <!--Let browser know website is optimized for mobile-->
      <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
    </head>

    <body>

      <!--JavaScript at end of body for optimized loading-->
      <script type="text/javascript" src="js/materialize.min.js"></script>
    </body>
  </html>

Code Example 5

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0-rc.2/css/materialize.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0-rc.2/js/materialize.min.js"></script>

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