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