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