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