:root{color:#102521;background:#f4f7f6;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}.app-shell{min-height:100vh}.calculator-frame{background:#f4f7f6;height:100vh;min-height:700px}.calculator-frame iframe{border:0;width:100%;height:100%;display:block}