body, html {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  text-align: center;
  background-color: #fff;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}

.options-container {
  display: flex;
  justify-content: center;
  margin-top: 20px;
  margin-bottom: 20px;
}

.options-container label {
  margin: 0 20px;
  font-size: 1.2rem;
}

.options-container input[type="radio"] {
  transform: scale(1.5);
  margin-right: 10px; 
}

.image-container {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.responsive-image {
  max-width: 100%;
  height: auto;
  width: 500px;
  height: auto;
}

.answer-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  margin-bottom: 20px;
}

#answer {
  font-size: 1.5em;
  font-family: 'Poppins', sans-serif;
  border: none;
  border-bottom: 3px solid #ccc;
  text-align: center;
  width: 100px;
  margin-right: 20px;
  height: 50px;
}

#answer:focus {
  outline: none;
  border-bottom: 3px solid #84A9E8;
}

.correct {
  border-bottom: 3px solid #00BF63 !important;
}

.incorrect {
  border-bottom: 3px solid #FF5757 !important;
}

button {
  display: flex;
  align-items: center;
  justify-content: center;
}

#submit-button {
  background-color: #ADCBFD;
  border: none;
  padding: 10px;
  height: 50px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}

#submit-button i {
  font-size: 1.7rem;
  line-height: 1;
}

#submit-button:hover {
  background-color: #84A9E8;
}

#nextButton {
  background-color: #ADCBFD;
  height: 50px;
  width: 50px;
  border: none;
  color: #000;
  padding: 10px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin-left: 40px;
}

#nextButton i {
  font-size: 1.8rem;
}

#nextButton:hover {
  background-color: #84A9E8;
}

#nextButton:focus {
  border: none;
}

@media (max-width: 600px) {
  .responsive-image {
      width: 100%;
      height: auto;
  }

  #answer {
      width: 80px;
      font-size: 1.2em;
  }

  #submit-button, #nextButton {
      height: 40px;
      width: 40px;
  }

  #submit-button i, #nextButton i {
      font-size: 1.5rem;
  }
}