body {
  font-family: 'Montserrat', sans-serif;
  height: 100vh;
  display: flex;
  align-items: center;
  padding-bottom: 60px;
  background-image: url("../img/jj-ying-7JX0-bfiuxQ-unsplash-l.jpg");
}

form {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12pt;
  margin: 30px;
  padding: 10px;
  border-radius: 4px;
  background-color: white;
}

h1 {
  margin-top: 20px;
}

.form-check {
  padding-right: 24px;
}

.form-signin {
  width: 100%;
  font-weight: 400;
}

.form-signin input {
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.form-signin .form-floating:focus-within {
  z-index: 2;
}

#radios {
  margin-top: 10px;
}

@media screen and (max-width: 991px) { /* tablet */

  body {
    background-image: url("../img/jj-ying-7JX0-bfiuxQ-unsplash-m.jpg");
  }
}

@media screen and (max-width: 530px) {
  body {
    background-image: url("../img/jj-ying-7JX0-bfiuxQ-unsplash-sm.jpg");
  }

  img {
    margin-top: 250px;
  }
}