html, body {
  height: 100%;
  width: 100%;
}

.ok {
  background-color: red;
  padding:15px 20px;
}


ul {
  margin:none;
  padding:0px;
}

li {
  list-style: none;
  display:block;
  float:left;
  margin-right: 25px;
}

a {
  text-decoration: none;
  color:black;
  font-family: sans-serif, 'Robotto';
}

a:hover {
  color:#9f1414;
}