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