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