*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0 0 0.6rem; }
ul { margin: 0; padding: 0; list-style: none; }
button { cursor: pointer; }
table { border-collapse: collapse; width: 100%; }