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