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