.hero-title {
  font-size: $xl;
}

.hero-subheading {
  font-size: $medium;
}

.about-list {
  list-style: none;
  margin-top: 100px;
}

.about-list__item {
  margin: 20px 0;
  font-size: $small;
}

#landing-page-register-button {
  margin: 50px;
}

.pricing-section {
  border: 1px solid $light-default;
  border-top: 5px solid $secondary;
  border-radius: 3px;
  width: 30%;
  padding: 40px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pricing-section__price {
  font-size: $large;
  color: $default;
  font-weight: $bold;
  display: flex;
  align-items: baseline;
}

.pricing-section__price__per-month {
  font-size: $xs;
}

.pricing-section__explanation {
  width: 50%;
  text-align: center;
  margin-top: 20px;
}

.challenge {
  font-size: $small;
}

.hero-title {
  font-size: $xl;
}

.hero-subheading {
  font-size: $medium;
}

.about-list {
  list-style: none;
  margin-top: 100px;
}

.about-list__item {
  margin: 20px 0;
  font-size: $small;
}

#landing-page-register-button {
  margin: 50px;
}

.pricing-section {
  border: 1px solid $light-default;
  border-top: 5px solid $secondary;
  border-radius: 3px;
  width: 30%;
  padding: 40px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;

  @media (max-width: 600px) {
    width: 90%;
  }
}

.pricing-section__price {
  font-size: $large;
  color: $default;
  font-weight: $bold;
  display: flex;
  align-items: baseline;
}

.pricing-section__price__per-month {
  font-size: $xs;
}

.pricing-section__explanation {
  width: 50%;
  text-align: center;
  margin-top: 20px;
}

.challenge {
  font-size: $small;
}

Add responsive rule for homepage pricing section.
Add responsive rule for homepage pricing section.
