.login-container {
  display: grid;
  place-items: center;
  width: 100vw;
  height: 100vh;
  background: 50% 70% / cover no-repeat url('../img/bglogin.png');
}

.card-container {
  border-radius: 4px;
  background-color: white;
  box-shadow: 0 0 100px 20px rgba(0, 0, 0, .5);
  width: 90%;
  max-width: 30rem;
  transition: width 300ms ease-in-out;
}

@media screen and (min-width: 600px) {
  .card-container { width: 40%; }
}
@media screen and (min-width: 1400px) {
  .card-container { width: 35%; }
}

form {
  padding: 2rem;
}
.logo-container {
  text-align: center;
}
.logo-container img {
  max-width: 12rem;
}
.form-field {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}
.form-field .label {
  font-size: 1rem;
  margin-bottom: .25rem;
}
.form-field .input {
  height: 2.5rem;
  border: 1px solid lightgray;
  padding-left: 1rem;
}
.button-container {
  text-align: center;
  margin-top: 2rem;
}