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