:root {
  color-scheme: light;
  font-family: system-ui, sans-serif;
  color: #333;
  background: #fff;
  line-height: 1.6;
}

* { box-sizing: border-box; }

body {
  max-width: 740px;
  margin: 40px auto;
  padding: 0 20px;
  overflow-wrap: anywhere;
}

h1, h2 { line-height: 1.3; }
h1 { font-size: 2rem; }
h2 { font-size: 1.4rem; margin-top: 1.5em; }
a { color: #245da8; text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
a[aria-current="page"] { font-weight: 700; }
nav { margin-bottom: 1rem; }
section, .app-list > li {
  border-top: 1px solid #ddd;
  margin-top: 2rem;
  padding-top: 1rem;
}
li { margin-bottom: 1rem; }
.app-list { list-style: none; padding: 0; }
.app-list h2 { margin-top: 0; }

@media (max-width: 480px) {
  body { margin: 24px auto; }
  h1 { font-size: 1.65rem; }
}