body {
  display: flex;
  margin: 3rem 0;
  font-family: 'Poppins',sans-serif;
  justify-content: center;
  align-items: center;
  height: 80vh;
}

.imagen {
  width: 20rem;
  height: 30rem;
  background-image: url(login.jpg);
  background-size: cover;
}

.imagen-efecto {
  width: 100%;
  height: 100%;
}

.imagen-efecto h2 {
  color: #fff;
  font-size: 3rem;
  margin: 0;
  padding: 2rem 3rem;
}

.formulario {
  box-sizing: border-box;
  width: 35rem;
  height: 33rem;
  padding: 3rem;
  transform: translateY(0.3rem);
  border: 2px solid black;
}

@media (max-width: 768px){

    .formulario {
      width: 25rem;
      background: #fff;
    }
  }

  @media (max-width: 576px){

      body {
        display: block;
      }

      .imagen {
        margin: 100px auto 0 auto;
      }

      .formulario {
        width: 20rem;
        height: 25rem;
        margin: auto;
        transform: translateY(-350px);
      }
    }

    @media (max-width: 340px){
        .imagen {
          margin: 0 auto 0 auto;
          width: 18rem;
        }

        .formulario {
          width: 18rem;
        }
      }


.formulario input {
  width: 100%;
  height: 1.5rem;
  margin-bottom: 2rem;
  border: none;
  border-bottom: 2px solid grey;
  font-family: 'Poppins',sans-serif;
}

.formulario p {
  color: grey;
  margin-bottom: 0.5rem;
}

.formulario button {
  font-family: 'Poppins',sans-serif;
  background: #017DD3;
  color: #fff;
  padding: 0.5rem 3rem;
  border: none;
  border-radius: 15px;
}

.formulario a {
  text-decoration: none;
  float: right;
}