table {
    width: 80%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid black;
    padding: 5px;
    text-align: left;
}

th {
    background-color: #4CAF50;
    color: white;
}

button {
    margin: 5px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.75);
}

.modal-content {
    border-radius: 15px;
    background-color: #fefefe;
    margin: 25% auto;
    padding: 25px;
    border: 1px solid #888;
    width: 50%;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}