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