状況を説明しましょう:
input要素にinlineクラスを入れるとありますが、色々調べましたがどう入れたらいいかわかりません。
現状のコード
<!-- 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 method="post" 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>
<!-- User Editable Region -->
<fieldset>
<legend>Account type (required)</legend>
<label for="personal-account"><input id="personal-account" type="radio" name="account-type" checked /> Personal</label>
<label for="business-account"><input id="business-account" type="radio" name="account-type" /> Business</label>
</fieldset>
<!-- User Editable Region -->
<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>
<label for="terms-and-conditions">
<input id="terms-and-conditions" type="checkbox" required name="terms-and-conditions" /> I accept the <a href="https://www.freecodecamp.org/news/terms-of-service/">terms and conditions</a>
</label>
<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%;
}
ブラウザ情報:
ユーザーエージェント: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:131.0) Gecko/20100101 Firefox/131.0
チャレンジの情報:
HTML フォームの学習: 登録フォームを作成する - ステップ 50