Hide Facebook chat, some sidebar groups, and requests

facebook.css

/* Hide chat sidebar */
#pagelet_sidebar {
    display: none;
}
.sidebarMode .fbx #globalContainer, .sidebarMode .fbx #pageHead, .sidebarMode #blueBar #pageHead {
    padding-right: 0px;
}

/* Hide left sidebar groups: Ads, Apps */
#adsNav, #appsNav {
    display: none;
}

/* Hide app requests, keep birthday reminders */
a#birthday_reminders_link {
    display: none;
}
#pagelet_reminders > div > .fbReminders > .fbRemindersStory > a#birthday_reminders_link {
    display: inline;
}