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