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