:root {
    --font-family: "Segoe UI", sans-serif;

    --font-size: 16px;
    --line-height: 1.5;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;

    --border-radius: 6px;
}

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

html {
    font-size: var(--font-size);
}

body {
    margin: 0;
    padding: 0;

    font-family: var(--font-family);
    line-height: var(--line-height);

    min-height: 100vh;
}

img,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
}

a {
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}