Element block pseudo-class :active generated with height auto box-sizing content-box z-index auto transition line-height 1 display block font-size 18px padding 20px border-radius border 0px rgba(0,0,0,1) solid position relative overflow hidden cursor default float none font-weight normal transform width auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) background margin 0px