Element button pseudo-element :before generated with z-index auto opacity 1 display inline-block overflow visible transition margin 0.5em width auto line-height 2em position static transform background float none cursor default text-shadow 0px 1px 0px rgba(255,255,255,0.8) box-sizing content-box font-weight bold font-size 1em border 1px rgba(211,211,211,1) solid height auto outline none box-shadow 0px 0px 1px rgba(255,255,255,0.8) padding 1.5em border-radius