Feature suggestions: - 12/24 hour setting should be detected based on browser locale. - Colon symbol is broken on Firefox + Chrome for me in Linux (Shows U+FE

Feature suggestions: - 12/24 hour setting should be detected based on browser locale. - Colon symbol is broken on Firefox + Chrome for me in Linux (Shows U+FE55 symbol). - Ability to toggle showing all cards in a single column layout so you can see the sliders position relative to each other more easily.