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