*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Montserrat', system-ui, sans-serif;
}

body.course-page {
  background: var(--course-bg, #f0f4f8);
  min-height: 100%;
  font-family: 'Montserrat', system-ui, sans-serif;
}

body.course-page--entry {
  background: var(--course-bg, #f0f4f8);
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

body.course-page--player {
  background: var(--course-bg, #f0f4f8);
  min-height: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

body.exercise-page {
  width: 100%;
}