.login-page,
.register-page {
  background-image: url(../img/bg-login.jpg);
  background-repeat: no-repeat;
  background-size: cover;
}
.h1,
h1 {
  color: #fff;
}
a {
  color: #335981;
}
.h4,
h4 {
  font-size: 1rem;
}

.btn-comprobantes{
    background: #007bff;
    color: #fff;
    padding: 6px 12px;
    margin-top: 10px;
    font-size: 1.2em;
}