Element button pseudo-element :after generated with display block transition transform line-height normal box-shadow 2px 2px 2px rgba(0,0,0,0.3) background font-size 16px position static opacity 1 status padding 13px box-sizing content-box font-weight bold z-index auto cursor default margin 0px outline none height auto border 1px rgba(0,145,0,0.75) solid float none text-shadow overflow visible border-radius width auto