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