.calendar-container { margin-top: 20px;; } table { width: 100%; border-collapse: collapse; text-align: center; } th, td { border: 1px solid #ddd; padding: 10px; } th { background-color: #f4f4f4; } td { background-color: #f4f4f4; cursor: pointer; } td:hover { background-color: aqua; } .selected { background-color: #e0ffe0; /* 선택된 셀의 배경색 */ }