.ps-form {
  max-width: 500px;
  margin: auto;
  text-align: center;
  font-family: Arial, sans-serif;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.ps-btn {
  display: inline-block;
  margin: 8px;
  padding: 12px 20px;
  border: 2px solid #007bff;
  border-radius: 6px;
  background: #fff;
  color: #007bff;
  font-size: 16px;
  cursor: pointer;
}

.ps-btn.active,
.ps-btn:hover {
  background: #007bff;
  color: #fff;
}

.ps-submit {
  margin-top: 15px;
  padding: 12px;
  width: 100%;
  background: #28a745;
  color: #fff;
  border: none;
  font-size: 18px;
  border-radius: 6px;
  cursor: pointer;
}