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