.modal {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s;
    z-index: 1200;
    width: 100%;
}

.modal.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {            
    min-width: 200px;
    max-width: 480px;
    max-height: 600px;
    min-height: 100px;
    top: 0;
    border-radius: 8px;
    padding: 30px 40px;
    position: relative;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
    background: #fff;
}

.close {
    position: absolute;
    right: 12px;
    top: 8px;
    font-size: 24px;
    color: #888;
    cursor: pointer;
}

.close:hover {
    color: #f00;
}