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