website/_sass/_features.scss

.feature {
  margin: 3rem 0;
}

.feature-image[width] {
  max-width: attr(width);
}

.feature-divider {
  margin: 3rem 0;
}

.feature-heading {
  font-size: 2.4rem;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.05rem;
  margin-bottom: 1rem;

  span {
    display: inline-block;
  }
}

.feature-text {
  font-weight: 300;
  font-size: 1.1rem;
  color: $text-muted-er;
}

@include media-breakpoint-up('sm') {
  .feature-text {
    font-size: 1.3rem;
  }
}

@include media-breakpoint-down('md') {
  .feature-image {
    max-height: 340px;
    width: auto;
  }
}

@include media-breakpoint-up('md') {
  .feature-heading {
    font-size: 2.6rem;
  }

  .feature-image-speed {
    margin-bottom: -30px;
  }

  .feature-image-secure {
    margin-bottom: -30px;
  }
}

@include media-breakpoint-up('lg') {
  .feature-heading {
    font-size: 2.8rem;
  }

  .feature-image-secure {
    margin-top: -60px;
    margin-bottom: -60px;
  }
}

@include media-breakpoint-up('xl') {
  .feature-heading {
    margin-top: 3.5rem;
  }

  .feature-divider {
    margin: 5rem 0;
  }
}