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