abstractHitCollectionView.js

render() {
    // ...
    
    // It can 20-30 milliseconds for CSS to be applied to the newly
    // inserted DOM. This attempts to wait for that.
    // Gives up after 200 * 10 milliseconds = 2 seconds to be safe.
    interval = window.setInterval(() => {
        intervalAttempts++;
        if (intervalAttempts > 200 || view.$el.height() > 1) {
            clearInterval(interval);
            view.afterRender();
        }
    }, 10);
    
    // ...
}