body {
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #e0f7fa, #fce4ec);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}
.container {
  background: #fff;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0px 4px 15px rgba(0,0,0,0.1);
  width: 350px;
  text-align: center;
}
.container h2 {
  margin-bottom: 20px;
  font-size: 22px;
  color: #333;
}
.container input, 
.container textarea {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 14px;
}
.container textarea {
  resize: none;
  height: 80px;
}
.btn {
  background: #e91e63;   /* Pink button */
  color: white;
  border: none;
  padding: 12px;
  width: 100%;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: 0.3s;
}
.btn:hover {
  background: #ad1457;   /* Dark pink hover */
}
.success {
  display: none;
  text-align: center;
}
.success h2 {
  font-size: 22px;
  color: #333;
}
.check {
  font-size: 40px;
  color: green;
  margin: 15px 0;
}
.message {
  color: green;
  font-size: 16px;
}