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