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