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