Merge pull request #868 from OpenTechFund/feature/812-all-rounds-polish

opentech/apply/funds/tables.py

opentech/apply/funds/templates/funds/tables/table.html

.../static_src/src/javascript/apply/all-submissions-table.js

...ech/static_src/src/javascript/apply/submission-filters.js

opentech/static_src/src/sass/apply/abstracts/_mixins.scss

opentech/static_src/src/sass/apply/abstracts/_variables.scss

...atic_src/src/sass/apply/components/_all-rounds-table.scss

...src/src/sass/apply/components/_all-submissions-table.scss

opentech/static_src/src/sass/apply/components/_table.scss

opentech/static_src/src/sass/apply/main.scss