.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-dialog {
    margin: 30px auto;
    max-width: 600px;
}

.modal-content {
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,.5);
}

.modal-header {
    border-bottom: 1px solid #e5e5e5;
    padding: 15px;
    background-color: #f8f9fa;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.modal-title {
    margin: 0;
    font-weight: 600;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    border-top: 1px solid #e5e5e5;
    padding: 15px;
    text-align: right;
    background-color: #f8f9fa;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}