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