html,
body,
#app {
    font-family: Source Sans Pro, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, sans-serif;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
    color: #fff;
    font-size: 16px;
    width: 100%;
    height: 100%
}

img {
    -webkit-user-drag: none;
    -webkit-user-select: none;
    user-select: none
}

*,
*:before,
*:after {
    box-sizing: border-box;
    margin: 0
}

.main {
    width: 100%;
    height: 100%;
    -webkit-overflow-scrolling: touch;
    margin: 0;
    padding: 0
}