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