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