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