Element button pseudo-class :active generated with box-sizing content-box width 50px opacity 1 height 20px border 0px rgba(247,247,247,0) solid position static line-height normal outline none transition text-shadow 1px 1px 0px rgba(255,255,255,0.66) float none box-shadow 2px 2px 2px rgba(0,0,0,0) z-index auto font-size 16px margin 0px display inline-block transform background font-weight normal cursor default border-radius overflow visible padding 20px