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