body {
  margin: 0;
  overflow: hidden;
  background-color: #000000;
  color: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
}

.container {
  margin: 0px 0px 0px 50px;
}

.button {
  background-color: #555555;
  border: none;
  color: white;
  padding: 5px 10px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
  transition-duration: 0.4s;
}


.button:hover {
  background-color: white;
  color: black;
}