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