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