.calendar-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  box-sizing: border-box;
}

.year-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
  margin-bottom: 100px;
}