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