html,
body {
    margin: 0;
    padding: 0;
}

body {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: radial-gradient(#efefef, #cccccc);
}

* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}