html {
  height: 100%;
  overflow: hidden;
}

body {
  background-color: #000;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

div {
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

#container {
  overflow: hidden;
  position: relative;
  display: flex;
  flex: 1;
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#msg {
  color: #724e4e;
    width: 100%;
    display: flex;
    height: 100%;
    position: absolute;
    justify-content: center;
    align-items: center;
}