Element block pseudo-class :active generated with padding 20px border 0px rgba(0,0,0,1) solid z-index auto overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) background float none position static font-size 16px border-radius width 160px box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 18px line-height 1 display block font-weight normal transition cursor default transform height auto