css: Use SCSS nesting for `nav li`.
css: Use SCSS nesting for `nav li`.

timabbott/zulip,showell/zulip,andersk/zulip,showell/zulip,hackerkid/zulip,shubhamdhama/zulip,shubhamdhama/zulip,timabbott/zulip,synicalsyntax/zulip,kou/zulip,eeshangarg/zulip,synicalsyntax/zulip,showell/zulip,zulip/zulip,punchagan/zulip,brainwane/zulip,andersk/zulip,zulip/zulip,punchagan/zulip,zulip/zulip,shubhamdhama/zulip,andersk/zulip,synicalsyntax/zulip,hackerkid/zulip,shubhamdhama/zulip,andersk/zulip,rht/zulip,timabbott/zulip,eeshangarg/zulip,shubhamdhama/zulip,showell/zulip,punchagan/zulip,eeshangarg/zulip,zulip/zulip,showell/zulip,eeshangarg/zulip,timabbott/zulip,synicalsyntax/zulip,zulip/zulip,rht/zulip,synicalsyntax/zulip,andersk/zulip,punchagan/zulip,timabbott/zulip,shubhamdhama/zulip,brainwane/zulip,timabbott/zulip,synicalsyntax/zulip,eeshangarg/zulip,kou/zulip,brainwane/zulip,rht/zulip,kou/zulip,hackerkid/zulip,hackerkid/zulip,eeshangarg/zulip,rht/zulip,brainwane/zulip,zulip/zulip,rht/zulip,punchagan/zulip,rht/zulip,brainwane/zulip,hackerkid/zulip,kou/zulip,hackerkid/zulip,synicalsyntax/zulip,showell/zulip,kou/zulip,andersk/zulip,timabbott/zulip,brainwane/zulip,punchagan/zulip,rht/zulip,kou/zulip,punchagan/zulip,andersk/zulip,shubhamdhama/zulip,eeshangarg/zulip,brainwane/zulip,zulip/zulip,hackerkid/zulip,showell/zulip,kou/zulip