/* Prevent default margin scroll; single-page app-style viewport (adjust per page if needed). */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    height: 100%;
    overflow: hidden;
}

body {
    margin: 0;
    min-height: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #16213e;
}