Element button pseudo-class :active generated with z-index auto display block height auto margin 0px font-weight normal position static transform cursor default border 0px rgba(0,0,0,1) solid font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 transition width 200px box-sizing content-box border-radius padding 20px text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none overflow hidden background