Element button pseudo-class :active generated with display inline-block transform background z-index margin 0px border-radius position relative box-sizing border-box font-size 28px padding 10px opacity 0.99 transition text-shadow 0px 0px 0px rgba(15,73,168,0.66) height auto cursor default border 0px rgba(255,255,255,1) solid box-shadow 2px 2px 2px rgba(0,0,0,0.2) float none line-height 1em font-weight bold overflow auto width auto