Remove unneeded `margin-bottom` declarations
Remove unneeded `margin-bottom` declarations

gengjiawen/desktop,BugTesterTest/desktops,kactus-io/kactus,gengjiawen/desktop,hjobrien/desktop,j-f1/forked-desktop,say25/desktop,shiftkey/desktop,desktop/desktop,desktop/desktop,shiftkey/desktop,BugTesterTest/desktops,shiftkey/desktop,kactus-io/kactus,BugTesterTest/desktops,artivilla/desktop,kactus-io/kactus,gengjiawen/desktop,say25/desktop,hjobrien/desktop,j-f1/forked-desktop,BugTesterTest/desktops,gengjiawen/desktop,artivilla/desktop,say25/desktop,j-f1/forked-desktop,hjobrien/desktop,artivilla/desktop,artivilla/desktop,j-f1/forked-desktop,desktop/desktop,say25/desktop,hjobrien/desktop,kactus-io/kactus,desktop/desktop,shiftkey/desktop