.wpf-block-placeholder {
    background: #f8f9fa;
    border: 1px solid #ddd;
    padding: 20px;
    text-align: center;
    color: #555;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.wpf-block-placeholder .dashicons {
    font-size: 40px;
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
    color: #007cba;
}