Element button pseudo-class :active generated with opacity 1 z-index auto box-shadow 2px 2px 2px rgba(0,0,0,0.2) overflow visible position static background font-size medium padding 20px font-weight normal border-radius cursor pointer line-height normal text-shadow transform height auto margin 0px float none display inline-block outline none border 0px rgba(1,141,196,0) solid width auto box-sizing content-box transition