ReactMarkup/src/index.css

body {
  margin: 0;
}
html {
  box-sizing: border-box;
}

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

.wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  min-height: 100vh;
}

ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: top;
}