body {
    text-align: center;
    background-color: lavender;
}

input[type=submit] {

  width: 300px;
  padding: 14px 20px;
  background-color: mint;
  margin: 8px 0;
  border: none;
  border-radius: 8px;

}

input[type=text], [type=password], select {

  width: 300px;
  padding: 8px 12px;
  margin: 8px ;
  border: 1px solid #ccc;
  border-radius: 8px;
  box-sizing: border-box;

}