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

* {
  margin: 0;
}

img, picture, video, canvas, svg {
  max-width: 100%;
  display: block;
}

html {
  height: 100%;
  width: 100%;
}

body {
  position: relative;
  background-color: #4A4A4A;
  height: 100%;
  width: 100%;
}

#container {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 50%;
  left: 50%;
  top: 50%;
}