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