Element button pseudo-class :active generated with display inline-block overflow auto width auto cursor pointer border-radius font-weight bold line-height normal border 2px rgba(255,255,255,0) solid position relative font-size 18px box-sizing content-box background height auto box-shadow 2px 2px 2px rgba(0,0,0,0) z-index auto text-shadow transform padding 30px transition margin auto float none