body,
html {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}

::-webkit-scrollbar {
  width: 7px;
  height: 7px;
  color: 'red';
}

::-webkit-scrollbar-thumb {
  background: rgba(90, 90, 90);
  background: 'red';
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  background: 'red';
}