ese-website/_includes/page.css

* {
  box-sizing: border-box;
  font-size: 17px;
}

body {
  margin: 0;
  font-family: Aileron, sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-background-page);
}

main {
  padding: 4rem 0 8rem;
}

.content {
  width: 100%;
  max-width: var(--page-width);
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  margin-left: auto;
  margin-right: auto;
}

@media (width < 1024px) {
  .content {
    padding-left: 1.8rem;
    padding-right: 1.8rem;
  }
}

h1, h2, h3, h4 {
  color: var(--color-primary);
}

h1 {
  font-weight: 700;
  font-size: 2.8em;
  text-transform: uppercase;
}

h2 {
  font-weight: 300;
  font-size: 2.4em;
  line-height: 2;
}

h3 {
  font-weight: 300;
  font-size: 1.8em;
  line-height: 2;
}

h4 {
  font-weight: 400;
  font-size: 1.3em;
  line-height: 2;
}

h5 {
  font-weight: 700;
  font-size: 1em;
  margin-bottom: 1em;
}

p {
  line-height: 1.8;
}

a:not([class]) {
  color: var(--color-primary);
  text-decoration: underline dotted var(--color-primary);
  font-weight: 500;
  transition: filter .1s ease-out;
}
a:not([class]):hover {
  filter: brightness(.8);
}

a.btn {
  display: block;
  width: fit-content;
  margin: 1em 0;
  border: 1px solid var(--color-primary);
  border-radius: 25px;
  padding: .75rem 1.6rem;
  text-decoration: none;
  color: var(--color-primary);
  transition: .2s ease-out;
  transition-property: color, background-color;
}

a.btn:hover {
  background-color: var(--color-primary);
  color: var(--color-button-active);
}

@media (width < 640px) {
  h1 {
    font-size: 1.8em;
  }
  h2 {
    font-size: 1.6em;
  }
  h3 {
    font-size: 1.3em;
    font-weight: 400;
  }
  h4 {
    font-size: 1.15em;
  }
}

:root {
  font-size: 12px;
  --page-width: 1280px;
  --color-text: #495057;
  --color-primary: {{ ese.color }};
  --color-button-active: #fff;
  --color-background-page: #fefefe;
  --color-background-header: rgba(255,255,255,.92);
}