Element block pseudo-element :after generated with margin 0px background padding 20px transition transform box-sizing content-box font-size 16px float none height auto display block border 0px rgba(0,0,0,1) solid line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) width 160px font-weight normal position static overflow hidden z-index auto border-radius box-shadow 5px 5px 3px rgba(0,0,0,0.3) cursor default