src/2-pages/About/index.scss
html {
  box-sizing: border-box;
  font-size: 16px;
  font-family: 'IBM Plex Sans', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

.article {
  font-size: 1.25rem;
  line-height: 1.75rem;
}

.article h1 {
  // margin: 0;
  // font-weight: 700;
  // font-size: 3.5rem;
  // line-height: 3.75rem;
  margin: 0 auto 1.5rem;
  font-weight: 700;
  font-size: 3rem;
  line-height: 3.25rem;
}

.article h2 {
  margin: 5rem auto 1.25rem;
  font-weight: 700;
  font-size: 2.25rem;
  line-height: 2.5rem;
}

.article h3 {
  margin: 3.5rem auto 1rem;
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 2rem;
}

.article h4 {
  margin: 2rem auto 0;
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.75rem;
}

.article p {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.75rem;

  + p {
    margin-top: 1.75rem;
  }
}

.article ul,
.article ol {
  margin: 1.75rem auto;
  padding-left: 24px;
}

.article li {
  margin-bottom: 0.75rem;
}

.article a {
  border-bottom-color: var(--c-primary);
  border-bottom-width: 0.4px;
  border-bottom-style: solid;
  position: relative;
  color: inherit;
  text-decoration: none;

  &:hover {
    border-bottom-width: 2px;
  }
}

.slide-down {
  opacity: 1;
  animation-name: slideDown;
  animation-duration: 200ms;
  animation-iteration-count: 1;
  animation-timing-function: ease-out;
}

@keyframes slideDown {
  0% {
    transform: translateY(-24px);
    opacity: 0;
  }

  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
