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