* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}
body {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgb(238, 238, 46);
}
.form {
  width: 30%;
  background-color: #fff;
  box-shadow: 0px 0px 21px rgba(0, 0, 0, 0.2);
  padding: 20px 10px;
  border-radius: 4px;
}
.form input {
  width: 100%;
  height: 40px;
  padding: 10px;
  border: none;
  border-bottom: 1px solid lightgray;
  font-size: 16px;
  margin: 5px;
  outline: none;
}
.form button {
  width: 40%;
  height: 40px;
  border-radius: 4px;
  background-color: rgb(238, 238, 46);
  color: black;
  font-size: 16px;
  margin-top: 16px;
  border: none;
  outline: none;
  cursor: pointer;
  display: block;
  float: left;
  transition: all 0.4s;
}
.form button.move {
  float: right;
}
.form p {
  color: green;
  font-size: 16px;
  margin-top: 10px;
  text-align: center;
  font-weight: 600;
}
.form .correct {
  display: none;
  margin-top: 16px;
  width: 100%;
}
@media (max-width: 450px) {
  .form {
    width: 90%;
  }
}