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

body {
  font-family: Arial, sans-serif;

  background-color: #f4f6f8;

  color: #222;

  line-height: 1.6;
}

main {
  min-height: 100vh;

  display: flex;

  justify-content: center;

  align-items: center;

  padding: 40px 20px;
}

.survey-container {
  width: 100%;

  max-width: 700px;

  background-color: #ffffff;

  padding: 40px;

  border-radius: 10px;

  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

#title {
  text-align: center;

  margin-bottom: 10px;

  font-size: 2rem;
}

#description {
  text-align: center;

  margin-bottom: 30px;

  color: #666;
}

.form-group {
  margin-bottom: 25px;
}

.form-group>label,
.form-group>p {
  display: block;

  margin-bottom: 10px;

  font-weight: bold;
}

input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
  width: 100%;

  padding: 12px;

  border: 1px solid #ccc;

  border-radius: 5px;

  font-size: 1rem;

  font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;

  border-color: #555;
}

.form-group label:not(:first-child) {
  display: block;

  margin-bottom: 8px;

  font-weight: normal;
}

input[type="radio"],
input[type="checkbox"] {
  margin-right: 8px;
}

textarea {
  min-height: 130px;

  resize: vertical;
}

#submit {
  width: 100%;

  padding: 13px;

  border: none;

  border-radius: 5px;

  background-color: #222;

  color: #ffffff;

  font-size: 1rem;

  font-weight: bold;

  cursor: pointer;

  transition: opacity 0.2s ease;
}

#submit:hover {
  opacity: 0.85;
}

@media (max-width: 600px) {

  main {
    padding: 20px 10px;
  }

  .survey-container {
    padding: 25px 20px;
  }

  #title {
    font-size: 1.6rem;
  }

}