body, html {
  height: 100%;
}
body {
  /* The image used */
  background-image: url("../img/fondo2.png");
  background-repeat: no-repeat;
  background-attachment: fixed;

  /* Full height */
  /* height: 100%; */

  /* Center and scale the image nicely */
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.card {
  opacity: 0.7;
}

.navbar {
  opacity: 0.7;
}

@media (max-width: 768px) {
  body {
    /* The image used */
    background-image: url("../img/fondo3.png");
    background-repeat: no-repeat;
    background-attachment: fixed;
    /* Full height */
    /* height: 100%; */

    /* Center and scale the image nicely */
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
  }

  .card {
    opacity: 0.7;
  }

  .navbar {
    opacity: 0.7;
  }
}

/*loading css*/
.lds-ellipsis {
  display: inline-block;
  position: relative;
  width: 64px;
  height: 64px;
}
.lds-ellipsis div {
  position: absolute;
  top: 27px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #000;
  animation-timing-function: cubic-bezier(0, 1, 1, 0);
}
.lds-ellipsis div:nth-child(1) {
  left: 6px;
  animation: lds-ellipsis1 0.6s infinite;
}
.lds-ellipsis div:nth-child(2) {
  left: 6px;
  animation: lds-ellipsis2 0.6s infinite;
}
.lds-ellipsis div:nth-child(3) {
  left: 26px;
  animation: lds-ellipsis2 0.6s infinite;
}
.lds-ellipsis div:nth-child(4) {
  left: 45px;
  animation: lds-ellipsis3 0.6s infinite;
}
@keyframes lds-ellipsis1 {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes lds-ellipsis3 {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(0);
  }
}
@keyframes lds-ellipsis2 {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(19px, 0);
  }
}