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