Element block pseudo-element :after generated with z-index auto width 160px position static transition box-sizing content-box height auto background padding 20px overflow hidden font-size 10px cursor default font-weight normal border 0px rgba(0,0,0,1) solid display block line-height 1 margin 0px float none border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform box-shadow 1px 1px 1px rgba(0,0,0,0.3)