org settings: Use same CSS for new saving buttons in all settings.
org settings: Use same CSS for new saving buttons in all settings.

Generalize the CSS for new subsection changes saving buttons
for all the organization settings sections.

showell/zulip,tommyip/zulip,dhcrzf/zulip,kou/zulip,kou/zulip,andersk/zulip,dhcrzf/zulip,rishig/zulip,timabbott/zulip,shubhamdhama/zulip,rishig/zulip,andersk/zulip,jackrzhang/zulip,punchagan/zulip,zulip/zulip,eeshangarg/zulip,punchagan/zulip,showell/zulip,hackerkid/zulip,brainwane/zulip,brainwane/zulip,rht/zulip,synicalsyntax/zulip,rishig/zulip,rht/zulip,eeshangarg/zulip,hackerkid/zulip,timabbott/zulip,kou/zulip,tommyip/zulip,zulip/zulip,jackrzhang/zulip,zulip/zulip,eeshangarg/zulip,punchagan/zulip,zulip/zulip,punchagan/zulip,punchagan/zulip,synicalsyntax/zulip,showell/zulip,zulip/zulip,tommyip/zulip,dhcrzf/zulip,jackrzhang/zulip,rishig/zulip,showell/zulip,jackrzhang/zulip,eeshangarg/zulip,brainwane/zulip,brainwane/zulip,rht/zulip,dhcrzf/zulip,rht/zulip,hackerkid/zulip,andersk/zulip,dhcrzf/zulip,zulip/zulip,showell/zulip,brainwane/zulip,shubhamdhama/zulip,timabbott/zulip,kou/zulip,andersk/zulip,shubhamdhama/zulip,jackrzhang/zulip,hackerkid/zulip,synicalsyntax/zulip,synicalsyntax/zulip,zulip/zulip,dhcrzf/zulip,hackerkid/zulip,brainwane/zulip,tommyip/zulip,timabbott/zulip,shubhamdhama/zulip,rht/zulip,andersk/zulip,rht/zulip,rht/zulip,punchagan/zulip,showell/zulip,jackrzhang/zulip,brainwane/zulip,kou/zulip,hackerkid/zulip,kou/zulip,rishig/zulip,tommyip/zulip,andersk/zulip,eeshangarg/zulip,tommyip/zulip,showell/zulip,synicalsyntax/zulip,dhcrzf/zulip,tommyip/zulip,hackerkid/zulip,rishig/zulip,punchagan/zulip,shubhamdhama/zulip,synicalsyntax/zulip,andersk/zulip,timabbott/zulip,shubhamdhama/zulip,eeshangarg/zulip,eeshangarg/zulip,timabbott/zulip,jackrzhang/zulip,rishig/zulip,timabbott/zulip,kou/zulip,synicalsyntax/zulip,shubhamdhama/zulip