body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f6f8;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 600px;
  margin: 50px auto;
  background: #ffffff;
  padding: 25px;
  border-radius: 6px;
  box-shadow: 0 5px 8px rgba(0,0,0,0.3);
}
h1 { text-align: center; }
label { display: block; margin-bottom: 15px; }
input, textarea, select {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  border: 1px solid #ccc;
  border-radius: 4px;
}
textarea { min-height: 120px; }
button {
  width: 100%;
  background: #0077cc;
  color: #fff;
  padding: 12px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
}
button:hover { background: #005fa3; }