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