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