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