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