/* Modal styles */
.esp-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
}

.esp-modal-content {
    margin: 10% auto;
    padding: 20px;
    width: 50%;
    background-color: #fff;
    border-radius: 10px;
    text-align: center;
}

.esp-close {
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 30px;
    cursor: pointer;
    color: #333;
}