* {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0) !important;
    -webkit-tap-highlight-color: transparent !important;
    -webkit-focus-ring-color: transparent !important;
    -webkit-touch-callout: none !important;
    -webkit-user-select: none !important;
    -webkit-font-smoothing: antialiased;
    -webkit-text-size-adjust: none;
    outline: none !important;
}

html {
    overflow-y: scroll;
}

html, body {
    height: 100%;
    margin: 0;
    background-color: #ffffff;
}

#content {
    width: 200px;
    height: 100px;
    background-color: #ffffff;

    position: absolute;
    top:0;
    bottom: 0;
    left: 0;
    right: 0;

    margin: auto;
}

#content-inner {
    width: 200px;
    height: 150px;
    text-align: center;
}