These look awesome, I am not certain which GIF I like better though... They both look fantastic!

Edit* I think that after looking at both of them in use in a different article, the red atom pops more than the grey one due to the lack of color in steemit (and lack of ability to customize color which is probably good in some sense) so personally I think the red does more. But they both look amazing and the banner does look good in night mode!