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