style.css

body {
  background: #3498db;
  font-family: sans-serif;
}

h2 {
  color: #fff;
}

.login {
  padding: 1em;
  width: 17em;
  background: #fff;
  border-color:black;
  border-radius: 3px;
}

label {
  font-size: 10pt;
  color: #555;
}

input[type="text"],
input[type="password"],
textarea {
  padding: 8px;
  width: 95%;
  background: #efefef;
  border: 0;
  font-size: 10pt;
  margin: 6px 0px;
}

.tombol {
  background: #3498db;
  color: #fff;
  border: 0;
  padding: 5px 8px;
  margin: 20px 0px;
}