You can place icons just about anywhere with the <i> tag:
<i class="fa fa-connectdevelop"></i>
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fa-bed
fa-buysellads
fa-cart-arrow-down
fa-cart-plus
fa-connectdevelop
fa-dashcube
fa-diamond
fa-facebook-official
fa-forumbee
fa-heartbeat
fa-hotel (alias)
fa-leanpub
fa-mars
fa-mars-double
fa-mars-stroke
fa-mars-stroke-h
fa-mars-stroke-v
fa-medium
fa-mercury
fa-motorcycle
fa-neuter
fa-pinterest-p
fa-sellsy
fa-server
fa-ship
fa-shirtsinbulk
fa-simplybuilt
fa-skyatlas
fa-street-view
fa-subway
fa-train
fa-transgender
fa-transgender-alt
fa-user-plus
fa-user-secret
fa-user-times
fa-venus
fa-venus-double
fa-venus-mars
fa-viacoin
fa-whatsapp
fa-adjust
fa-anchor
fa-archive
fa-area-chart
fa-arrows
fa-arrows-h
fa-arrows-v
fa-asterisk
fa-at
fa-automobile (alias)
fa-ban
fa-bank (alias)
fa-bar-chart
fa-bar-chart-o (alias)
fa-barcode
fa-bars
fa-bed
fa-beer
fa-bell
fa-bell-o
fa-bell-slash
fa-bell-slash-o
fa-bicycle
fa-binoculars
fa-birthday-cake
fa-bolt
fa-bomb
fa-book
fa-bookmark
fa-bookmark-o
fa-briefcase
fa-bug
fa-building
fa-building-o
fa-bullhorn
fa-bullseye
fa-bus
fa-cab (alias)
fa-calculator
fa-calendar
fa-calendar-o
fa-camera
fa-camera-retro
fa-car
fa-cart-arrow-down
fa-cart-plus
fa-cc
fa-certificate
fa-check
fa-check-circle
fa-check-circle-o
fa-check-square
fa-check-square-o
fa-child
fa-circle
fa-circle-o
fa-circle-o-notch
fa-circle-thin
fa-clock-o
fa-close (alias)
fa-cloud
fa-cloud-download
fa-cloud-upload
fa-code
fa-code-fork
fa-coffee
fa-cog
fa-cogs
fa-comment
fa-comment-o
fa-comments
fa-comments-o
fa-compass
fa-copyright
fa-credit-card
fa-crop
fa-crosshairs
fa-cube
fa-cubes
fa-cutlery
fa-dashboard (alias)
fa-database
fa-desktop
fa-diamond
fa-dot-circle-o
fa-download
fa-edit (alias)
fa-ellipsis-h
fa-ellipsis-v
fa-envelope
fa-envelope-o
fa-envelope-square
fa-eraser
fa-exchange
fa-exclamation
fa-exclamation-circle
fa-external-link
fa-eye
fa-eye-slash
fa-eyedropper
fa-fax
fa-female
fa-fighter-jet
fa-file-archive-o
fa-file-audio-o
fa-file-code-o
fa-file-excel-o
fa-file-image-o
fa-file-movie-o (alias)
fa-file-pdf-o
fa-file-powerpoint-o
fa-file-sound-o (alias)
fa-file-video-o
fa-file-word-o
fa-file-zip-o (alias)
fa-film
fa-filter
fa-fire
fa-fire-extinguisher
fa-flag
fa-flag-checkered
fa-flag-o
fa-flash (alias)
fa-flask
fa-folder
fa-folder-o
fa-folder-open
fa-folder-open-o
fa-frown-o
fa-futbol-o
fa-gamepad
fa-gavel
fa-gear (alias)
fa-gears (alias)
fa-genderless (alias)
fa-gift
fa-glass
fa-globe
fa-graduation-cap
fa-group (alias)
fa-hdd-o
fa-headphones
fa-heart
fa-heart-o
fa-heartbeat
fa-history
fa-home
fa-hotel (alias)
fa-image (alias)
fa-inbox
fa-info
fa-info-circle
fa-institution (alias)
fa-key
fa-keyboard-o
fa-language
fa-laptop
fa-leaf
fa-legal (alias)
fa-lemon-o
fa-level-down
fa-level-up
fa-life-bouy (alias)
fa-life-buoy (alias)
fa-life-ring
fa-life-saver (alias)
fa-lightbulb-o
fa-line-chart
fa-location-arrow
fa-lock
fa-magic
fa-male
fa-map-marker
fa-meh-o
fa-microphone
fa-microphone-slash
fa-minus
fa-minus-circle
fa-minus-square
fa-minus-square-o
fa-money
fa-moon-o
fa-motorcycle
fa-music
fa-navicon (alias)
fa-newspaper-o
fa-paint-brush
fa-paper-plane
fa-paper-plane-o
fa-paw
fa-pencil
fa-pencil-square
fa-pencil-square-o
fa-phone
fa-phone-square
fa-photo (alias)
fa-picture-o
fa-pie-chart
fa-plane
fa-plug
fa-plus
fa-plus-circle
fa-plus-square
fa-plus-square-o
fa-power-off
fa-print
fa-puzzle-piece
fa-qrcode
fa-question
fa-question-circle
fa-quote-left
fa-quote-right
fa-random
fa-recycle
fa-refresh
fa-remove (alias)
fa-reorder (alias)
fa-reply
fa-reply-all
fa-retweet
fa-road
fa-rocket
fa-rss
fa-rss-square
fa-search
fa-search-minus
fa-search-plus
fa-send (alias)
fa-send-o (alias)
fa-server
fa-share
fa-share-alt
fa-share-alt-square
fa-share-square
fa-share-square-o
fa-shield
fa-ship
fa-shopping-cart
fa-sign-in
fa-sign-out
fa-signal
fa-sitemap
fa-sliders
fa-smile-o
fa-sort
fa-sort-alpha-asc
fa-sort-alpha-desc
fa-sort-amount-asc
fa-sort-amount-desc
fa-sort-asc
fa-sort-desc
fa-sort-down (alias)
fa-sort-numeric-asc
fa-sort-numeric-desc
fa-sort-up (alias)
fa-space-shuttle
fa-spinner
fa-spoon
fa-square
fa-square-o
fa-street-view
fa-suitcase
fa-sun-o
fa-support (alias)
fa-tablet
fa-tachometer
fa-tag
fa-tags
fa-tasks
fa-taxi
fa-terminal
fa-thumb-tack
fa-thumbs-down
fa-thumbs-o-down
fa-thumbs-o-up
fa-thumbs-up
fa-ticket
fa-times
fa-times-circle
fa-times-circle-o
fa-tint
fa-toggle-down (alias)
fa-toggle-left (alias)
fa-toggle-off
fa-toggle-on
fa-toggle-right (alias)
fa-toggle-up (alias)
fa-trash
fa-trash-o
fa-tree
fa-trophy
fa-truck
fa-tty
fa-umbrella
fa-university
fa-unlock
fa-unlock-alt
fa-unsorted (alias)
fa-upload
fa-user
fa-user-plus
fa-user-secret
fa-user-times
fa-users
fa-video-camera
fa-volume-down
fa-volume-off
fa-volume-up
fa-warning (alias)
fa-wheelchair
fa-star-half-full (alias)
fa-star-half-o
fa-star-o
fa-wifi
fa-wrench
fa-magnet
fa-mobile
fa-star
fa-star-half
fa-mail-reply (alias)
fa-file-photo-o (alias)
fa-caret-square-o-left
fa-caret-square-o-up
fa-caret-square-o-down
fa-caret-square-o-right
fa-exclamation-triangle
fa-external-link-square
fa-file-picture-o (alias)
fa-mail-forward (alias)
fa-mail-reply-all (alias)
fa-mobile-phone (alias)
fa-mortar-board (alias)
fa-soccer-ball-o (alias)
fa-star-half-empty (alias)