CSS CODE ...

button {
  color: white;
  background-color: #0074D9;
  border: 2px solid #0074D9;
  border-radius: 5px;
  margin: 10px;
  padding: 5px;
 }
 button:hover {
  color: #0074D9;
  background-color: white;
}
a {
  color: #0074D9;
  text-decoration: none;
  padding: 10px;
  font-size: 19px;
}
a:hover {
  color: #0085D9;
}
input {
  color: #0074D9;
  border: 2px solid #0074D9;
  border-radius: 5px;
  padding: 5px;
  margin: 10px;
}
#navbar {
  color: white;
  width: 100%;
  height: 100px;
  background-color: #0074D9;
  border-radius: 5px;
}