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

    th, td {
      padding: 8px;
      text-align: left;
      border: 1px solid #ddd;
    }

th {
    text-align: center;
    background-color: #2c3e50;
}

tbody {
    background-color: rgba(255, 255, 255, 0.1);
}

.icon-check {
    font-size: 24px;
}

/* CSS cho nút mở popup */
.popup-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    cursor: pointer;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    transition-duration: 0.4s;
    text-decoration: none;
}

    .popup-button:hover {
        background-color: #45a049;
    }

/* CSS cho khung popup */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
}

.popup-content {
    background-color: white;
    width: 300px;
    padding: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}