html,
body {
  overflow-x: hidden; /* Prevent scroll on narrow devices */
}

body {
  padding-top: 56px;
}

body {background-color: #a7b4be;
  color: #262335;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.2em;
}
img {
  width: 100%;
  height: auto;
  align-self: center;
}
.imagen_presentacion {
  width: 50%;
  height: auto;
}

.bd-placeholder-img {
font-size: 1.125rem;
text-anchor: middle;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
}

@media (min-width: 768px) {
.bd-placeholder-img-lg {
font-size: 3.5rem;
}
}

.b-example-divider {
height: 2.5rem;
}

.b-example-vr {
flex-shrink: 0;
width: 1.5rem;
height: 100vh;
}

.bi {
vertical-align: -.125em;
fill: currentColor;
}

.nav-scroller {
position: relative;
z-index: 2;
height: 2.75rem;
overflow-y: hidden;
}

.nav-scroller .nav {
display: flex;
flex-wrap: nowrap;
padding-bottom: 1rem;
margin-top: -1px;
overflow-x: auto;
text-align: center;
white-space: nowrap;
-webkit-overflow-scrolling: touch;
}

.elementos {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}


@media (max-width: 991.98px) {
  .offcanvas-collapse {
    position: fixed;
    top: 56px; /* Height of navbar */
    bottom: 0;
    left: 100%;
    width: 100%;
    padding-right: 1rem;
    padding-left: 1rem;
    overflow-y: auto;
    visibility: hidden;
    background-color: #343a40;
    transition: transform .3s ease-in-out, visibility .3s ease-in-out;
  }
  .offcanvas-collapse.open {
    visibility: visible;
    transform: translateX(-100%);
  }
}

.nav-scroller .nav {
  color: rgba(255, 255, 255, .75);
}

.nav-scroller .nav-link {
  padding-top: .75rem;
  padding-bottom: .75rem;
  font-size: .875rem;
  color: #6c757d;
}

.nav-scroller .nav-link:hover {
  color: #007bff;
}

.nav-scroller .active {
  font-weight: 500;
  color: #343a40;
}

.bg-purple {
  background-color: #6f42c1;
}