basic-css-reset

gistfile1.txt

/*
  1. Use a more-intuitive box-sizing model.
*/

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

/*
  2. Remove default margin
*/

* {
  margin: 0;
}

/*
  3. Allow percentage-based heights in the application
*/

html, body {
  height: 100%;
}

/*
  Typographic tweaks!
  4. Add accessible line-height & font sizes
  5. Improve text rendering
*/

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

html {
  --14px: 0.875rem;
  --15px: 0.9375rem;
  --16px: 1rem;
  --17px: 1.0625rem;
  --18px: 1.125rem;
  --19px: 1.1875rem;
  --20px: 1.25rem;
  --21px: 1.3125rem;
}

/*
  6. Improve media defaults
*/

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

/*
  7. Remove built-in form typography styles
*/

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

/*
  8. Avoid text overflows
*/

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

/*
  9. Create a root stacking context
*/

#root, #__next {
  isolation: isolate;
}