refactor(Dashboard.scss): cardSection style changes, fixes firefox
refactor(Dashboard.scss): cardSection style changes, fixes firefox

- height: 86px
- spacing now done with margin instead of padding.

gabe-terrell/acme-freight-webui,gabe-terrell/acme-freight-webui,leeloo-acme-freight/acme-freight-webui,gabe-terrell/acme-freight-webui,leeloo-acme-freight/acme-freight-webui,leeloo-acme-freight/acme-freight-webui