Element button pseudo-element :before generated with overflow visible height auto transition background font-size 16px cursor default border-radius display inline-block border 1px #b7b7b7 solid position static width auto line-height normal transform float none z-index auto text-shadow 1px 1px 0px rgba(255,255,255,0.66) font-weight normal margin 0px box-shadow 2px 2px 2px rgba(0,0,0,0.2) box-sizing content-box padding 20px