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