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