.button {
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
}

.container {
  font-family: arial;
  font-size: 24px;
  margin: auto auto;
  width: 80%;

}
table, th, td {
  border: 1px solid black;
  margin: auto auto;
  padding: 8px;
}