* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.wrap {
  width: 100%;
  max-width: 400px;
  height: 400px;
  margin: 0 auto;
  font-size: 18px;
  padding: 20px;
}

p {
  margin-bottom: 30px;
}

form {
  margin-bottom: 40px;
}

.label {
  margin-bottom: 10px;
}

input {
  border: solid 1px #333;
  width: 240px;
  height: 40px;
  padding: 10px;
}

input:focus {
  box-shadow: 0 0 5px 2px rgba(0, 123, 255, 0.5);
}

button {
  padding: 10px;
  height: 40px;
}

.resultArea.hide {
  display: none;
}

.greetArea p {
  font-size: 1.6em;
  margin-bottom: 30px;
}