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