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