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