Element block pseudo-class :active generated with background margin 0px box-sizing content-box width 160px box-shadow 1px 1px 1px rgba(0,0,255,1) font-weight normal border 0px rgba(0,0,0,1) solid border-radius transform text-shadow 1px 1px 1px rgba(140,140,140,0.7) float none line-height 1 font-size 16px padding 20px height auto cursor default z-index auto display block transition overflow hidden position static