Element block pseudo-class :active generated with border-radius z-index auto line-height 1 padding 20px position static border 0px rgba(0,0,0,1) solid height auto cursor default float none display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition font-size 16px box-sizing content-box background margin 18px transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden width 160px font-weight normal