Improve Jupyter Panel Preview styling

[MarcSkovMadsen]

I'm on Panel 1.1.1 and enjoying the loading screen in the Jupyter Panel Preview.

To make it perfect please

• Select a better font for the text
• Use the Panel blue color in the spinner.

Currently it looks like

[philippjfr]

I swear I looked it up and thought I saw Futura was available on all systems by default but I guess I was wrong. Open to taking suggestions on the font choice.

[MarcSkovMadsen]

Why not just use the combination Panel/ Bokeh is using?

Alternatively Verdana (sans serif) or one of the other fonts in https://www.w3schools.com/cssref/css_websafe_fonts.php

[philippjfr]

Why not just use the combination Panel/ Bokeh is using?

Because they all look boring 😄