Element button pseudo-class :active generated with box-sizing content-box position absolute border 1px rgba(0,0,0,1) solid outline none width auto cursor pointer font-size 16px padding 14px line-height 1 box-shadow 3px 3px 0px rgba(0,0,0,0.4) display block border-radius margin 0px transition opacity 1 float none transform height auto z-index auto font-weight bold text-shadow background overflow visible