html, body {
  position: absolute;
  top: 0;
  left: 0;

  margin: 0;
  padding: 0;

  font-family: 'Ubuntu', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

  user-select: none;
  box-sizing: border-box;

  overflow: hidden;

  width: 100%;
  height: 100%;

  background-color: rgb(36, 41, 44);
  color: white;
}

main {
  position: absolute;
  top: 0;
  left: 0;

  margin: 0;
  padding: 0;

  width: 100%;
  height: 100%;

  overflow: hidden;

  margin-left: 180px;
}