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