Element button pseudo-element :before generated with background outline none font-size 16px border-radius margin 0px z-index auto box-sizing content-box float none cursor pointer text-shadow -1px -1px 0px rgb(51, 51, 51,1) transform transition display inline-block position static height auto width auto border 1px rgb(51, 51, 51) solid font-weight normal box-shadow 2px 2px 2px rgba(0,0,0,0.2) opacity 1 line-height normal padding 20px overflow visible