.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}
body {
	text-align: center;
}
h2 {
    text-align: center;
}

h3 {
    text-align: center;
}
.back-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #0A0A2A;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
}

.back-button:hover {
    background-color: #3f8ed6;
}