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;
}
#loginform {
  text-align: center;
  width: 400px;
  height: 500px;
  border: 2px solid #AAAAAA;
  border-radius: 10px;
  background: linear-gradient(45deg,
   rgba(0, 0, 0, 0.2) 0%,
   rgba(0, 0, 0, 0.19) 10%,
   rgba(0, 0, 0, 0.18) 20%,
   rgba(0, 0, 0, 0.17) 30%,
   rgba(0, 0, 0, 0.16) 40%,
   rgba(0, 0, 0, 0.15) 50%,
   rgba(0, 0, 0, 0.14) 60%,
   rgba(0, 0, 0, 0.13) 70%,
   rgba(0, 0, 0, 0.12) 80%,
   rgba(0, 0, 0, 0.11) 90%,
   rgba(0, 0, 0, 0.10) 100%);
  color: #FFFFFF;
  margin: 50px;
}