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