html {
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  min-height: 100%;
  width: 100%;
}

body {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex: 1 1 auto;
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  min-height: 100%;
  width: 100%;
}

#app {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex: 1 1 auto;
  -ms-flex: 1 1 auto;
  flex: 1 1 auto;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  height: 100%;
  width: 100%;
}