body {
  background-color: #edf6f1;
  color: #152f2a;
  font-family: 'Source Sans Pro', sans-serif;
}

.questionnaire-container {
  max-width: 600px;
  margin: 50px auto;
  padding: 30px;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.questionnaire-title {
  color: #28a745;
  font-size: 2.5em;
  margin-bottom: 30px;
  text-align: center;
}

.questionnaire-form {
  margin-top: 20px;
}

.progress-bar-container {
  margin-bottom: 30px;
}

.progress {
  height: 10px;
  background-color: #e9ecef;
  border-radius: 5px;
  overflow: hidden;
}

.progress-bar {
  background-color: #28a745;
  transition: width 0.3s ease;
}

.progress-text {
  display: block;
  margin-top: 10px;
  text-align: center;
  font-size: 0.9em;
  color: #6c757d;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.question-title {
  font-size: 1.5em;
  margin-bottom: 20px;
  color: #28a745;
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-check {
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
}

.form-check-input {
  margin-right: 10px;
  margin-left: 80px;
  margin-top: 0.3em; /* Adjust this value to align the checkbox/radio button with the first line of text */
}

.form-check-label {
  font-size: 1.1em;
  flex: 1;
}

.multiple-hint {
  display: block;
  margin-bottom: 10px;
  color: #6c757d;
  font-style: italic;
}

.no-options {
  color: #6c757d;
  font-style: italic;
}

.button-group {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
}

.btn {
  padding: 10px 20px;
  font-size: 1em;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: #28a745;
  color: white;
}

.btn-primary:hover {
  background-color: #218838;
}

.btn-secondary {
  background-color: #6c757d;
  color: white;
}

.btn-secondary:hover {
  background-color: #5a6268;
}

.btn-success {
  background-color: #28a745;
  color: white;
}

.btn-success:hover {
  background-color: #218838;
}

@media (max-width: 768px) {
  .questionnaire-container {
    margin: 20px;
    padding: 20px;
  }

  .questionnaire-title {
    font-size: 2em;
  }

  .button-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    margin-bottom: 10px;
  }
}