dark-mode: Make settings "tip" boxes more compatible.
dark-mode: Make settings "tip" boxes more compatible.

This makes them compatible by making the background dark and the text base color.

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