Element block pseudo-element :before generated with margin 0px position static padding 20px display block border 3px rgba(0,0,0,1) solid float none height auto font-size 16px box-sizing content-box cursor default transform width 160px transition font-weight normal line-height 1 overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) background