table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
}

th {
    background-color: #f2f2f2;
}

.addBtn {
    cursor: pointer;
    padding: 6px 12px;
    background-color: #4CAF50;
    color: white;
    border: none;
}

.closeBtn {
    cursor: pointer;
    color: red;
    font-weight: bold;
}

.done {
    text-decoration: line-through;
    color: gray;
}