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