.main_content {
  margin-top: 5rem;
}
.quiz_content {
  max-width: 900px;
  margin: 0 auto;
}
.question_wrapper {
  padding: 1rem 0 0 2rem;
  position: relative;
}

.question_wrapper:before {
  content: "";
  position: absolute;
  top: 2rem;
  left: -7px;
  background: silver;
  height: calc(100% - 2rem);
  width: 3px;
}

#postcodeField {
  -webkit-appearance: none;
  margin: 0;
}

#postcodeField::-webkit-outer-spin-button,
#postcodeField::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
#postcodeField[type="number"] {
  -moz-appearance: textfield;
}

fieldset {
  max-height: 60vh;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  overflow-y: auto;
  margin: auto;
}
#postcodeField {
  -webkit-appearance: none;
  margin: 0;
}

#postcodeField::-webkit-outer-spin-button,
#postcodeField::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
#postcodeField[type="number"] {
  -moz-appearance: textfield;
}

.form {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
}

.form__element {
  margin: 0.5rem;
  display: flex;
  align-items: center;
}

.form__element__text {
  margin-left: 10px;
}
.form__element__text::first-letter {
  text-transform: uppercase;
}

h3::first-letter {
  text-transform: uppercase;
}

.buttons {
  padding: 10px;
  display: flex;
  justify-content: space-between;
}