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