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