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