Minimal CSS reset

reset.css

:root {
  box-sizing: border-box;
  font-size: 16px;
}

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

body, h1, h2, h3, h4, h5, h6, p, ol, ul {
  margin: 0;
  padding: 0;
  font-weight: normal;
}

/* HTML5 elements in non-HTML5 browsers */
article, aside, footer, header, nav, section {
  display: block;
}

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

button[disabled],
input[disabled] {
  cursor: default;
}

/**
 * 1. Remove default vertical scrollbar in IE 6/7/8/9.
 * 2. Improve readability and alignment in all browsers.
 */

textarea {
  overflow: auto; /* 1 */
  vertical-align: top; /* 2 */
  resize: vertical;
}