styles.css

@import "./0_css/base/normalize.css";

:root {
  --clr-neutral-100: hsl(0, 0%, 100%);
  --clr-neutral-900: hsl(0, 0%, 0%);

  --clr-neutral-100-hsl: 0, 0%, 100%;
  --clr-neutral-900-hsl: 0, 0%, 0%;

  --body-bg: hsl(var(--clr-neutral-900-hsl), 0.8);
  --clr-text: var(--clr-neutral-100);

  --ff-base: system-ui, sans-serif;
  --ff-alt: "Open Sans", sans-serif;

  --fs-sm: 0.8rem;
  --fs-md: 1.2rem;

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-bold: 700;
  --fw-black: 900;

  --space-50: 0.5rem;
  --space-100: 1rem;

  --space-fluid-50: 0.5rem;
  --space-fluid-100: 1rem;
  --space-fluid-200: 2rem;

  --border-radius: 1rem;
  --border-rounded: 50%;
  --border-pill: 100vw;
}

body {
  background-color: var(--body-bg);
  color: var(--clr-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  padding: var(--space-100);
  font-family: var(--ff-base);
  font-weight: var(--fw-normal);
  font-style: normal;
  font-optical-sizing: auto;
}

a {
  cursor: pointer;
  text-decoration: none;
  color: currentColor;
}

a:hover {
  text-decoration: underline;
  text-decoration-color: var(--clr-neutral-100);
  text-decoration-thickness: 2px;
}

h1 {
  margin-top: 0;
}

ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 var(--space-50);
}

ul li {
  padding: var(--space-50) 0;
}

.wrapper {
  max-width: 1180px;
  width: 80%;
  margin: 0 auto;
  background-color: hsl(var(--clr-neutral-900-hsl), 0.3);
  padding: var(--space-fluid-100);
  box-shadow: 0 0 0.5rem 0.5rem hsl(var(--clr-neutral-900-hsl), 0.1);
  border-radius: var(--border-radius);

  display: grid;
  align-items: center;
  gap: var(--space-fluid-50);
}

@media screen and (min-width: 60em) {
  :root {
    --space-fluid-50: 1rem;
    --space-fluid-100: 2rem;
    --space-fluid-200: 4rem;
  }
}