chore: make silhouttte svgs opaque (#704)

Should be easier to adjust opacity now using css



<table>
<tr>
<td>
<h3>Light Mode</h3>
</td>
<td>
<h3>Dark Mode</h3>
</td>
</tr>

<tr>
<td>
<img width="100%" alt="Screenshot 2024-09-26 at 1 45 14 PM"
src="https://github.com/user-attachments/assets/0f7955ba-f507-4ea9-acd7-8dd9c928dbc1">
</td>

<td>
<img width="100%" alt="Screenshot 2024-09-26 at 1 45 30 PM"
src="https://github.com/user-attachments/assets/518a067a-6a9a-46b4-87af-3e79dad1d63d">
</td>

</tr>
</table>