Element button pseudo-element :before generated with width auto font-size medium padding 20px opacity 1 outline none transform display block z-index auto cursor pointer border 0px rgba(180,180,180,0.7) solid transition float none margin 0px border-radius line-height normal overflow visible box-shadow 2px 2px 2px rgba(0,0,0,0.2) font-weight normal background height auto box-sizing content-box text-shadow position static