기본적인 form 양식 style 코드 :

<style>
form {
        max-width: 500px;
        margin: 0 auto;
        padding: 20px;
        background-color: #f2f2f2;
        border-radius: 5px;
}

label {
        display: block;
        margin-bottom: 5px;
        font-weight: bold;
}

input[type="text"],
input[type="email"],
textarea {
        width: 100%;
        padding: 10px;
        margin-bottom: 20px;
        border: none;
        border-radius: 5px;
        background-color: #fff;
        box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

input[type="submit"] {
        display: block;
        width: 100%;
        padding: 10px;
        border: none;
        border-radius: 5px;
        background-color: #4CAF50;
        color: #fff;
        font-size: 16px;
        cursor: pointer;
}

input[type="submit"]:hover {
        background-color: #3e8e41;
}
<style>
<!DOCTYPE html>
<html>
<head>
        <title>My Form</title>
        <link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
        <form>
                <label for="name">Name:</label>
                <input type="text" id="name" name="name" required>

                <label for="email">Email:</label>
                <input type="email" id="email" name="email" required>

                <label for="message">Message:</label>
                <textarea id="message" name="message" required></textarea>

                <input type="submit" value="Submit">
        </form>
</body>
</html>

 

폼 태그만 :

<style>
form {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 50px;
}

label {
  font-size: 18px;
  margin-bottom: 10px;
}

input,
textarea {
  padding: 10px;
  border: 2px solid #ccc;
  border-radius: 5px;
  width: 100%;
  margin-bottom: 20px;
}

button {
  background-color: #4CAF50;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 18px;
}
button:hover {
  background-color: #3e8e41;
}
</style>
<form>
  <label for="name">Name:</label>
  <input type="text" id="name" name="name" required>

  <label for="email">Email:</label>
  <input type="email" id="email" name="email" required>

  <label for="message">Message:</label>
  <textarea id="message" name="message" required></textarea>

  <button type="submit">Submit</button>
</form>

 

Preview <form></form> Code Sample: