Element button pseudo-element :after generated with z-index auto box-sizing content-box float none font-weight normal border-radius display inline-block overflow visible position static border 1px #018dc4 solid box-shadow 2px 2px 2px rgba(0,0,0,0.2) cursor pointer transition background height auto width auto margin 0px text-shadow 0px 0px 9px rgba(20,255,20,0.7) transform padding 20px font-size 16px line-height normal