Element block pseudo-element :before generated with border 0px rgba(0,0,0,1) solid display block float none background font-weight normal height auto box-sizing content-box margin 0px cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform font-size 16px overflow hidden width 160px position static padding 20px z-index auto transition