html,
body,
header,
#intro {
    height: 50px;
}

#centrar {
  top: 20%;
  left: 50%;
  margin-top: -100px;
  margin-left: -150px;
}

#intro {
    background: url("../img/fondo.jpg")no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.top-nav-collapse {
    background-color: #1D1103;
  }
  @media (max-width: 768px) {
    .navbar:not(.top-nav-collapse) {
      background-color: #1D1103;
    }
  }
  @media (min-width: 800px) and (max-width: 850px) {
    .navbar:not(.top-nav-collapse) {
      background-color: #1D1103;
    }
  }

  header.masthead {
    padding-top: 10.5rem;
    padding-bottom: 6rem;
    text-align: center;
    color: #fff;
    background-image: 
    linear-gradient(
      /* rgba(255, 255, 255, 0.5), */
      rgba(0, 0, 0, 0.24),
      rgba(0, 0, 0, 0.24),
      rgba(0, 0, 0, 0.24)
      /* rgba(255, 255, 255, 0.5) */
    ),
    url("../img/fondo.jpg"); 
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-position: center center;
    background-size: cover;
  }
  header.masthead .masthead-subheading {
    font-size: 1.5rem;
    font-style: italic;
    line-height: 1.5rem;
    margin-bottom: 5px;
    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 .masthead-heading {
    font-size: 3.25rem;
    font-weight: 700;
    line-height: 3.25rem;
    margin-bottom: 2rem;
    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: 768px) {
    header.masthead {
      padding-top: 17rem;
      padding-bottom: 12.5rem;
    }
    header.masthead .masthead-subheading {
      font-size: 2.25rem;
      font-style: italic;
      line-height: 2.25rem;
      margin-bottom: 2rem;
    }
    header.masthead .masthead-heading {
      font-size: 4.5rem;
      font-weight: 700;
      line-height: 4.5rem;
      margin-bottom: 4rem;
    }
  }

  .page-section {
    padding: 6rem 0;
  }
  .page-section h2.section-heading {
    font-size: 2.5rem;
    margin-top: 0;
    margin-bottom: 1rem;
  }
  .page-section h3.section-subheading {
    font-size: 1rem;
    font-weight: 400;
    font-style: italic;
    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";
    margin-bottom: 4rem;
  }

  .timeline {
  position: relative;
  padding: 0;
  list-style: none;
}
.timeline:before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 40px;
  width: 2px;
  margin-left: -1.5px;
  content: "";
  background-color: #e9ecef;
}
.timeline > li {
  position: relative;
  min-height: 50px;
  margin-bottom: 50px;
}
.timeline > li:after, .timeline > li:before {
  display: table;
  content: " ";
}
.timeline > li:after {
  clear: both;
}
.timeline > li .timeline-panel {
  position: relative;
  float: right;
  width: 100%;
  padding: 0 20px 0 100px;
  text-align: left;
}
.timeline > li .timeline-panel:before {
  right: auto;
  left: -15px;
  border-right-width: 15px;
  border-left-width: 0;
}
.timeline > li .timeline-panel:after {
  right: auto;
  left: -14px;
  border-right-width: 14px;
  border-left-width: 0;
}
.timeline > li .timeline-image {
  position: absolute;
  z-index: 100;
  left: 0;
  width: 80px;
  height: 80px;
  margin-left: 0;
  text-align: center;
  color: white;
  border: 7px solid #e9ecef;
  border-radius: 100%;
  background-color: #fed136;
}
.timeline > li .timeline-image h4 {
  font-size: 10px;
  line-height: 14px;
  margin-top: 12px;
}
.timeline > li.timeline-inverted > .timeline-panel {
  float: right;
  padding: 0 20px 0 100px;
  text-align: left;
}
.timeline > li.timeline-inverted > .timeline-panel:before {
  right: auto;
  left: -15px;
  border-right-width: 15px;
  border-left-width: 0;
}
.timeline > li.timeline-inverted > .timeline-panel:after {
  right: auto;
  left: -14px;
  border-right-width: 14px;
  border-left-width: 0;
}
.timeline > li:last-child {
  margin-bottom: 0;
}
.timeline .timeline-heading h4 {
  margin-top: 0;
  color: inherit;
}
.timeline .timeline-heading h4.subheading {
  text-transform: none;
}
.timeline .timeline-body > ul,
.timeline .timeline-body > p {
  margin-bottom: 0;
}

@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;
  }
}