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