<form>
  <p>How did you find out about us?</p>
  <label><input name="origin" type="radio" value="google" checked /> Google</label>
  <label><input name="origin" type="radio" value="facebook" /> Facebook</label>
  <p>Please agree to our terms:</p>

  <label><input name="newsletter" type="checkbox" checked /> I want to subscribe to a personalized newsletter.</label>

  <label><input name="privacy" type="checkbox" /> I have read and I agree to the Privacy Policy.</label>

  <input type="submit" value="Submit form" />
</form>

label,
input[type='submit'] {
  display: block;
  margin-top: 1em;
}

input:checked {
  border: none;
  outline: 2px solid deeppink;
}