body {
  background: url(background.jpeg);
  background-size: contain;
  background-repeat: no-repeat;
  border-radius: 20px;
}
.signupbox {
  background: rgba(33, 88, 133, 0.329);
  padding: 30px;
  width: 228px;
  text-align: center;
  margin-left: 70px;
  margin-top: 120px;
  border-radius: 40px;
}
form {
  width: 225px;
  text-align: center;
}
input {
  width: 200px;
  text-align: center;
  background: transparent;
  border: none;
  border-bottom: 2px white solid;
  border-width: 2px;
  font-size: 15px;
  padding: 8px;
  transition: border 1s;
  outline: none;
  height: 8px;
  color: cyan;
}
button {
  border: 20px;
  width: 80px;
  color: black;
  font-size: 15px;
  line-height: 20px;
  cursor: pointer;
  border-radius: 30px;
}