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