Element button pseudo-class :active generated with font-size 100% line-height normal overflow visible box-sizing content-box border-radius position static status transition transform cursor default padding 16px margin 0px outline none width auto float left box-shadow 0px 1px 0px rgb(109,163,218) opacity 1 height auto z-index auto border 1px rgb(39, 104, 168) solid font-weight normal display block background text-shadow