header.masthead {

  background-image: url("../img/centro1900-1250.jpg");

}
.map-responsive{    
  overflow:hidden;
  padding-bottom:56.25%;
  position:relative;
  height:0;
  } 
.map-responsive iframe{
  left:0;
  top:0;
  height:100%;
  width:100%;
  position:absolute;
  }
@media (min-width: 768px) {
  section {
    padding: 150px 0;
  }
@media (min-width: 768px){ 
  #vistaMapa iframe{

    position: absolute;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

  }
}
@media (min-width: 992px) {
  #mainNav {
    padding-top: 25px;
    padding-bottom: 25px;
    -webkit-transition: padding-top 0.3s, padding-bottom 0.3s;
    transition: padding-top 0.3s, padding-bottom 0.3s;
    border: none;
    background-color: transparent;
  }
  #mainNav .navbar-brand {
    font-size: 1.75em;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }
  #mainNav .navbar-nav .nav-item .nav-link {
    padding: 1.1em 1em !important;
  }
  #mainNav.navbar-shrink {
    padding-top: 0;
    padding-bottom: 0;
    background-color: #212529;
  }
  #mainNav.navbar-shrink .navbar-brand {
    font-size: 1.25em;
    padding: 12px 0;
  }
}
@media (min-width: 768px) {
  header.masthead .intro-text {
    padding-top: 300px;
    padding-bottom: 200px;
  }
  header.masthead .intro-text .intro-lead-in {
    font-size: 40px;
    font-style: italic;
    line-height: 40px;
    margin-bottom: 25px;
    font-family: 'Droid Serif', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  }
  header.masthead .intro-text .intro-heading {
    font-size: 75px;
    font-weight: 700;
    line-height: 75px;
    margin-bottom: 50px;
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  }
}
@media (min-width: 767px) {
  #portfolio .portfolio-item {
    margin: 0 0 30px;
  }
}
@media (min-width: 768px) {
  .timeline:before {
    left: 50%;
  }
  .timeline > li {
    min-height: 100px;
    margin-bottom: 100px;
  }
  .timeline > li .timeline-panel {
    float: left;
    width: 41%;
    padding: 0 20px 20px 30px;
    text-align: right;
  }
  .timeline > li .timeline-image {
    left: 50%;
    width: 100px;
    height: 100px;
    margin-left: -50px;
  }
  .timeline > li .timeline-image h4 {
    font-size: 13px;
    line-height: 18px;
    margin-top: 16px;
  }
  .timeline > li.timeline-inverted > .timeline-panel {
    float: right;
    padding: 0 30px 20px 20px;
    text-align: left;
  }
}

@media (min-width: 992px) {
  .timeline > li {
    min-height: 150px;
  }
  .timeline > li .timeline-panel {
    padding: 0 20px 20px;
  }
  .timeline > li .timeline-image {
    width: 150px;
    height: 150px;
    margin-left: -75px;
  }
  .timeline > li .timeline-image h4 {
    font-size: 18px;
    line-height: 26px;
    margin-top: 30px;
  }
  .timeline > li.timeline-inverted > .timeline-panel {
    padding: 0 20px 20px;
  }
}

@media (min-width: 1200px) {
  .timeline > li {
    min-height: 170px;
  }
  .timeline > li .timeline-panel {
    padding: 0 20px 20px 100px;
  }
  .timeline > li .timeline-image {
    width: 170px;
    height: 170px;
    margin-left: -85px;
  }
  .timeline > li .timeline-image h4 {
    margin-top: 40px;
  }
  .timeline > li.timeline-inverted > .timeline-panel {
    padding: 0 100px 20px 20px;
  }
}