Element block pseudo-element :before generated with transition width 160px position relative float right border 0px rgba(0,0,0,1) solid box-sizing content-box overflow hidden display block height auto cursor default z-index auto transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) border-radius padding 20px margin 0px font-size 24px line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) background font-weight normal