body {
  background-color: #222;
  color: #fff;
  font-family: sans-serif;
  text-align: center;
}

h1, h2, h3, h4, h5, h6 {
  color: #fff;
}

a {
  color: #fff;
  text-decoration: none;
}

a:hover {
  color: #000;
  text-decoration: underline;
}

ul, ol {
  list-style-type: none;
}

li {
  margin: 10px 0;
}

p {
  margin: 10px 0;
}

input, textarea {
  border: 1px solid #000;
  background-color: #fff;
  color: #000;
}

button {
  background-color: #000;
  color: #fff;
  border: 1px solid #fff;
  display: block;
  width: 100%;
  height: 40px;
  margin: 10px 0;
  font-size: 16px;
  font-family: sans-serif;
  font-weight: bold;
  cursor: pointer;
}

.navbar {
  background-color: #000;
  color: #fff;
  font-family: sans-serif;
  text-align: center;
}

.navbar-brand {
  color: #fff;
}

.navbar-nav {
  margin: 0;
}

.navbar-nav li {
  display: inline-block;
}

.navbar-nav li a {
  color: #fff;
}

.navbar-nav li a:hover {
  color: #000;
  text-decoration: underline;
}

.footer {
  background-color: #000;
  color: #fff;
  font-family: sans-serif;
  text-align: center;
}