body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f7f7f7;
  color: #333;
  margin: 0;
  padding: 20px;
  line-height: 1.6;
}

nav {
  position:fixed;
  bottom:0px;
  left:0px;
  width: 100%;
  background: #333;
  text-align: center;
}

nav a {
  position: relative;
  display: inline-block;
  color: white;
  height: 100%;
  padding: 10px 15px;
  border-left-width:1px;
  border-right-width:1px;
  border-top-width: 0px;
  border-bottom-width: 0px;
  border-style: solid;
  text-decoration: none;
  transition: background-color 0.5s ease;
  user-select: none;
}

nav a:hover {
  text-decoration: underline;
  background-color: #888;
  transition: background-color 0.25s ease;
}

.container {
  max-width: 800px;
  margin: auto;
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
}

.big-link-1 {
  font-size: 1.2em;
}

footer {
  text-align: center;
  color: #888;
  margin-top: 50px;
}