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