html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  box-sizing: border-box;
}

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

/* Tùy chỉnh thanh cuộn */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #00aeef;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #0088cc;
}