HTML Code

<!DOCTYPE html>
<html>
<head>
  <title>CSS ::after Required Label</title>
  <style>
    label.required::after {
      content: " *";
      color: #dc2626;
      font-weight: 700;
    }

    label {
      display: block;
      font-weight: 600;
      margin-bottom: 0.35rem;
    }

    input {
      display: block;
      width: 100%;
      max-width: 280px;
      padding: 0.5rem 0.65rem;
      border: 1px solid #cbd5e1;
      border-radius: 6px;
    }
  </style>
</head>
<body>
  <h1>Contact Form</h1>

  <label class="required" for="email">Email</label>
  <input id="email" type="email" required aria-required="true">

  <label for="note" style="margin-top:1rem;">Note (optional)</label>
  <input id="note" type="text">
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

CSS ::after Selector - Required Field Marker