Improvements to Weather Card UI

[nightknighto]

Currently looks like this:

Can be greatly improved as mentioned in the comments of PR #64 Maybe also give it a better background too or something

While at it, also vertically align the items in their cards

[omeiirr]

Incorporated all the suggestions mentioned in the previous PR. This is how it looks now:

• Added a glassy effect to both, WeatherCard, and RequiredItems cards
• Centered the items
• Decreased spacing between lines in the additional info