How to remove labels from answers

While you use Multimedia option (video or audio), it can be interesting to remove the default label to display only the video or the audio embed.

Here is the result by default:

The result without label:

To achieve this, here is a CSS code to remove the label of the display.You juste have to copy & paste it in the step " 2.Look and feel" tab "CSS "  :

.description label { display: none; }