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