Element block pseudo-class :active generated with border-radius float none opacity 1 border 0px rgba(0,0,0,1) solid position static box-shadow font-size 20px margin 0px overflow hidden display block height auto background font-weight bold z-index auto box-sizing content-box cursor default padding 20px line-height 1 text-shadow 0px 0px 1px rgba(0,0,0,1) outline none transform width auto transition