* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #333;
  background-color: #e5e6f4;
}

header {
  background-color: #333;
  color: #fff;
  padding: 1em;
  text-align: center;
}

main {
  display:block;
  margin: 0;
  padding: 2em;
}

footer {
  background-color: #333;
  color: #fff;
  padding: 1em;
  text-align: center;
  font-size: 0.8rem;
  clear: both;
}

header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: left;
}

header nav li:not(:last-child) {
  border-right: 1px solid #fff;
}

headerx nav li:last-child {
  padding: 8px 16px;
}

header nav a {
  color: #fff;
  text-decoration: none;
  padding: 8px 16px;
  display: block;
}

header nav li:hover {
  background-color: #474747;
}

main p {
  margin-bottom: 1.5em;
}

main img {
  max-width: 100%;
  height: auto;
  margin: 20px;
}

table {
  border-collapse: collapse;
  margin: 20px 0;
  table-layout:auto;
}

th, td {
  padding: 5px 15px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background-color: #f4f4f4;
  font-weight: bold;
}

tr {
  background-color: #d1cbdb;
}

tr:hover {
  background-color: #f1f1f1;
}

#exit-button {
  background: none;
  border:none;
  text-decoration: none;
  font-size: inherit;
  color: inherit;
}

.no-dec:hover {
  background-color: inherit;
}

.win-colour {
  color: #1a6e1a;
}

.lose-colour {
  color: #8b0000;
}
button {
  padding: 0.5em 1em;
  border: none;
  border-radius: 8px;
  background-color: #2863a2;
  color: white;
  font-size: 1em;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #0056b3;
}

button:active {
  background-color: #004080;
}