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