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