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