Help with CSS Please if anybody knows @ #Packageblock

(I am assuming) This is the default css for the tall vertical package display blocks.
Found using Firebug. “Tearing hair out trying to figure this out!”
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element {
}
#PACKAGEBLOCK .panel {
transition: all 0.2s ease-in-out 0s;
transition-property: all;
transition-duration: 0.2s;
transition-timing-function: ease-in-out;
transition-delay: 0s;
}
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I have 4 packages in Dating theme

In the order of Left to Right Low to Higher price for membership.

I want to ad 4 different background images to the panels
without it affecting all other panels through out my site.

I have tried changing the css for panels however it affects all panels.

I just want to display a Background PNG or jpeg for each of my 4 membership package panels.

Does anybody know what CSS code I would add to my Child theme’s Custom CSS
so it is aimed at just the Packageblock.

The package block is just the vertical block. I don’t want it to affect the Horizontal package block that
is displayed elsewhere in my site showing upgrade options in (my account dashboard area)

I have the vertical Package block showing as vertical when members first select a package, as I think I am using membership packages not listing packages!

anyone know how to do this?