font-awesome 최신 버전에 아래 선택자 존재하는지 확인하고 없는 경우 비슷한 선택자로 대체합니다.

• regular
• eye
• reply
• ellipsis-v
• bookmark
• thumbs-o-down
• link
• chevron-down
• search
• cog
• lock
• download
• rss
• commenting
• clock
• pencil
• arrows
• thumbs-o-up
• phone
• pen-to-square
• chevron-left
• trash
• question-circle
• database
• thumb-tack
• window-restore
• times-circle
• bars
• question
• users
• heart
• chevron-right
• envelope
• angle-double-right
• solid
• brands
• style-family
• sr-only
• caret-right
• trash-can
• file
• spin
• arrow-up