body {
            width: 100vw;
            height: 100vh;
            margin: 0px;
            padding: 0px;
            font-size: 16px;
            font-family: Helvetica;
            display: grid;
            grid-template-columns: 1fr;
            grid-template-rows: auto 1fr auto;
        }

        * {
            box-sizing: border-box;
        }

        main {
            display: grid;
            margin: 0px;
            height: 100%;
        }

        .page {
            display: block;
            padding-left: 20px;
            padding-top: 20px;
            margin: 0px;
        }

        .page h1 {
            text-align: center;
            margin: 0px;
        }