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