Step 1) Add HTML <div class=”container”>  <form action=”action_page.php”>     <label for=”fname”>First Name</label>    <input type=”text” id=”fname” name=”firstname” placeholder=”Your name..”>     <label for=”lname”>Last Name</label>    <input type=”text” id=”lname” name=”lastname” placeholder=”Your last name..”>     <label for=”country”>Country</label>    <select id=”country” name=”country”>      <option value=”australia”>Australia</option>      <option value=”canada”>Canada</option>      <option value=”usa”>USA</option>    </select>     <label for=”subject”>Subject</label>    <textarea id=”subject” name=”subject” placeholder=”Write something..” style=”height:200px”></textarea>     <input type=”submit” value=”Submit”>   </form></div> Step 2) Add CSS: /* Style inputs with type=”text”, select elements and textareas */input[type=text], select, textarea {  width: 100%; /* Full width */  padding: 12px; /* Some padding */   border: 1px solid #ccc; /* Gray border */  border-radius: 4px; /* Rounded borders */  box-sizing: border-box; /* Make sure that padding and…