@import url('https://fonts.googleapis.com/css2?family=Mulish&display=swap');

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: 'Mulish', 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

html {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #ddd;
}

#reference {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1rem;
  justify-content: center;
}

.container {
  border: 1px solid rgba(18, 18, 18, 0.5);
  padding: 1rem;
  background-color: #eee;
  font-weight: 600;
  font-size: 1.25rem;
  box-shadow: 0px 0px 8px rgba(18, 18, 18, 0.3);
}

#group-1, #group-2, #group-3 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

#group-1_result, #group-2_result, #group-3_result {
  border: 1px solid rgba(18, 18, 18, 0.5);
  padding: 1.25rem 3rem;
  background-color: #eee;
  font-weight: 600;
  font-size: 1.25rem;
  box-shadow: 0px 0px 8px rgba(18, 18, 18, 0.3);
}

h3 {
  color: #444;
  font-size: 0.9rem;
}