aurora/src/styles/global.css

:root {
  --nav-height: 3rem;
  --standard-border: 0.0625rem solid var(--tertiary-background-color);
  --background-color: hsl(0 0% 100%);
  --secondary-background-color: hsl(0 0% 95%);
  --tertiary-background-color: hsl(0 0% 90%);
  --text-color: hsl(0 0% 10%);
  --accent-color: #1e40af;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: hsl(0 0% 10%);
    --secondary-background-color: hsl(0 0% 15%);
    --tertiary-background-color: hsl(0 0% 20%);
    --text-color: hsl(0 0% 90%);
    --accent-color: #93c5fd;

    color-scheme: dark;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  line-height: 1.6;
  margin: 0;
  font-family: "Roboto", sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
}

nav, header, main, footer {
  padding-inline: 1rem;
}

.container {
  max-inline-size: 65ch;
  margin-inline: auto;
}

h1, h2, h3, h4, h5, h6 {
  scroll-margin-block-start: var(--nav-height);
}

img {
  display: block;
  max-inline-size: 100%;
  block-size: auto;
}

svg {
  inline-size: 1.5rem;
  block-size: 1.5rem;
  vertical-align: middle;
}

table {
  display: block;
  max-inline-size: 100%;
  overflow-x: auto;
}

td, th {
  border: var(--standard-border);
  padding-inline: 0.5rem;
  padding-block: 0.25rem;
}

pre {
  padding: 1rem;
}

code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.875rem;
}

.heading-linker {
  color: inherit;
  text-decoration: none;
}

.heading-linker::before {
  content: "#";
  color: var(--accent-color);
  margin-inline-end: 0.25rem;
}

input {
  font: inherit;
  padding-inline: 0.5rem;
}

summary, button {
  cursor: pointer;
}

button {
  color: inherit;
}

ul, ol {
  line-height: 2;
}

a {
  color: var(--accent-color);
}