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