Element button pseudo-class :hover generated with padding 20px z-index auto cursor progress width auto box-sizing content-box position relative margin 5em height auto text-shadow -1px -1px 0px rgba(15,73,168,0.66) border-radius border 1px #018dc4 solid transition display inline-block font-weight bold font-size 21px background box-shadow 2px 2px 2px rgba(0,0,0,0.2) float left overflow visible transform line-height normal