.app-container{flex-direction:column;min-height:100vh;display:flex}.navbar{color:#fff;background:#1f3c88;justify-content:space-between;align-items:center;padding:15px 30px;display:flex}.nav-links a{color:#fff;margin-left:20px;text-decoration:none}.nav-links a:hover{text-decoration:underline}.content{flex:1;padding:30px}.footer{color:#fff;text-align:center;background:#111;padding:15px}.excel-table{border-collapse:collapse;width:100%;margin-top:20px}.excel-table th,.excel-table td{text-align:left;border:1px solid #ccc;padding:10px}.excel-table th{background-color:#f2f2f2}.excel-table tr:nth-child(2n){background-color:#fafafa}