Element button pseudo-element :before generated with border 1px rgba(40,40,40,0.66) solid border-radius padding 20px transform margin 0px overflow visible height auto text-shadow -1px -1px 0px rgba(127,127,127,0.66) transition font-weight normal position static z-index auto cursor pointer line-height normal background display inline-block float none box-shadow 2px 2px 2px rgba(0,0,0,0.35) box-sizing content-box width auto font-size 16px