/* reset html & body tags only */

html, body {
    margin: 0;
    padding: 0;
    border: 0;
    font: inherit;
    font-size: 100%;
    background: #1c1d21;
    vertical-align: baseline;
    line-height: 1;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: Roboto, -apple-system, BlinkMacSystemFont, Segoe UI, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
    box-sizing: inherit;
    font-size: 10px; /* for simple convert px to rem: 1px = 0.1rem */

    background-color: #fff;
    position: relative;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}