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