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