Element block pseudo-element :after generated with border 52px rgba(0,0,0,1) solid padding 20px border-radius background float none font-size 16px overflow hidden width 160px line-height 1 box-sizing content-box position static height auto transition transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default display block z-index auto margin 0px font-weight normal