Formulário de login gradiente HTML CSS

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HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>Gradient Login Form</title>
  <style>
    /* Body background gradient */
    body {
      margin: 0;
      padding: 0;
      height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      background: linear-gradient(135deg, #667eea, #764ba2);
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }

/* Form container */
    .login-box {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      padding: 40px;
      border-radius: 15px;
      box-shadow: 0 0 20px rgba(0,0,0,0.2);
      width: 300px;
      color: #fff;
    }

.login-box h2 {
      text-align: center;
      margin-bottom: 30px;
    }

/* Input fields */
    .login-box input[type="text"],
    .login-box input[type="password"] {
      width: 90%;
      padding: 12px 15px;
      margin: 10px 0;
      background: rgba(255, 255, 255, 0.2);
      border: none;
      border-radius: 8px;
      color: #fff;
      outline: none;
    }

/* Placeholder text */
    ::placeholder {
      color: #ddd;
    }

/* Login button */
    .login-box button {
      width: 100%;
      padding: 12px;
      background: linear-gradient(to right, #ff758c, #ff7eb3);
      border: none;
      border-radius: 8px;
      color: white;
      font-size: 16px;
      cursor: pointer;
      margin-top: 20px;
      transition: 0.3s;
    }

.login-box button:hover {
      opacity: 0.9;
    }
  </style>
</head>
<body>
  <div class="login-box">
    <h2>Login</h2>
    <form>
      <input type="text" placeholder="Username" required />
      <input type="password" placeholder="Password" required />
      <button type="submit">Login</button>
    </form>
  </div>
</body>
</html>

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