Modifications

<div style="background-color: #ffffff; border: solid red; margin-left: 100px; margin-bottom: 15px; padding: 5px 5px; border: 0px; width:450px">

<div style="background-color: #ffffff; border: 2px solid red; border-radius: 20px; margin-left: 100px; margin-bottom: 15px; padding: 5px 5px; width:450px">

<table class="border: 0px;><tr><td>[[fichier:youtube-icon.png|link={{{2}}}]]</td><td style="width: 390px; text-align:center; color=#ffffff;">[{{{2}}} <font color="#ffffff" style="font-size: 120%">{{{1}}}</font>]<td></tr></table>

<table class="border: 0px;><tr><td>[[fichier:youtube-icon.png|link={{{2}}}]]</td><td style="width: 390px; text-align:center; color=red;">[{{{2}}} <font color="red" style="font-size: 120%">{{{1}}}</font>]<td></tr></table>

</div>

</div>