:root{--color-primary:#0b3788;--color-success:#74ca46;--color-danger:#dc3545;--color-gray-100:#f7f8f9;--color-gray-300:#dee2e6;--color-gray-400:#c5c5c5;--color-gray-600:grey;--color-sidebar:#0b3788}.collision-detector{position:absolute;left:0;right:0;width:100%;height:10px}.collision-detector>.collision-detected{background:#ff0}