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