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