Learn HTML Forms by Building a Registration Form - Step 55

Tell us what’s happening:
Not sure what to do. The instructions are brief

   **Your code so far**
<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
 <head>
   <meta charset="UTF-8">
   <title>Registration Form</title>
   <link rel="stylesheet" href="styles.css" />
 </head>
 <body>
   <h1>Registration Form</h1>
   <p>Please fill out this form with the required information</p>
   <form action='https://register-demo.freecodecamp.org'>
     <fieldset>
       <label for="first-name">Enter Your First Name: <input id="first-name" name="first-name" type="text" required /></label>
       <label for="last-name">Enter Your Last Name: <input id="last-name" name="last-name" type="text" required /></label>
       <label for="email">Enter Your Email: <input id="email" name="email" type="email" required /></label>
       <label for="new-password">Create a New Password: <input id="new-password" name="new-password" type="password" pattern="[a-z0-5]{8,}" required /></label>
     </fieldset>
     <fieldset>
       <label for="personal-account"><input id="personal-account" type="radio" name="account-type" class="inline" /> Personal Account</label>
       <label for="business-account"><input id="business-account" type="radio" name="account-type" class="inline" /> Business Account</label>
       <label for="terms-and-conditions" name="terms-and-conditions">
         <input id="terms-and-conditions" type="checkbox" required name="terms-and-conditions" class="inline" /> I accept the <a href="https://www.freecodecamp.org/news/terms-of-service/">terms and conditions</a>
       </label>
     </fieldset>
     <fieldset>
       <label for="profile-picture">Upload a profile picture: <input id="profile-picture" type="file" name="file" /></label>
       <label for="age">Input your age (years): <input id="age" type="number" name="age" min="13" max="120" /></label>
       <label for="referrer">How did you hear about us?
         <select id="referrer" name="referrer">
           <option value="">(select one)</option>
           <option value="1">freeCodeCamp News</option>
           <option value="2">freeCodeCamp YouTube Channel</option>
           <option value="3">freeCodeCamp Forum</option>
           <option value="4">Other</option>
         </select>
       </label>
       <label for="bio">Provide a bio:
         <textarea id="bio" name="bio" rows="3" cols="30" placeholder="I like coding on the beach..."></textarea>
       </label>
     </fieldset>
     <input type="submit" value="Submit" />
   </form>
 </body>
</html>
/* file: styles.css */
body {
 width: 100%;
 height: 100vh;
 margin: 0;
 background-color: #1b1b32;
 color: #f5f6f7;
 font-family: Tahoma;
 font-size: 16px;
}

h1, p {
 margin: 1em auto;
 text-align: center;
}

form {
 width: 60vw;
 max-width: 500px;
 min-width: 300px;
 margin: 0 auto;
}

fieldset {
 border: none;
 padding: 2rem 0;
 border-bottom: 3px solid #3b3b4f;
}

fieldset:last-of-type {
 border-bottom: none;
}

label {
 display: block;
 margin: 0.5rem 0;
}

input,
textarea,
select {
 margin: 10px 0 0 0;
 width: 100%;
 min-height: 2em;
}

input, textarea {
 background-color: #0a0a23;
 border: 1px solid #0a0a23;
 color: #ffffff;
}

.inline {
 width: unset;
 margin: 0 0.5em 0 0;
 vertical-align: middle;
}

input[type="submit"]


   **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0

Challenge: Learn HTML Forms by Building a Registration Form - Step 55

Link to the challenge:

so you have started out okay. That’s the attribute selector for all inputs of type submit.
What usually follows a selector in CSS ?

For eg. here is a body selector, what comes right after ?

body {
  background-color: red;
}

So you need ???
The instructions mention what styles you should define also. (in my example, I defined the background-color style rule to be red)

Hope this helps,