.mw-event-block {
    border: 1px solid #ccc;
    padding: 15px;
    margin-bottom: 20px;
    background-color: #f9f9f9;
}

.selected-event-preview h3 {
 
    font-size: 1.2em;
}

.selected-event-preview .event-content {
    font-size: 0.9em;
    color: #555;
}

.selected-event-preview {
    background: #eee;
    padding: 20px;
    box-sizing: border-box;
}