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