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