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