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