Element button pseudo-element :after generated with padding 20px position absolute transform text-shadow -1px -1px 0px rgba(15,73,168,0.66) z-index auto background line-height normal overflow visible border-radius float none display inline-block border 1px #018dc4 solid width auto cursor pointer box-sizing content-box font-weight normal height auto font-size 16px transition margin 20px box-shadow 0px 0px 0px rgba(255,255,0,0.7)