.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 {
        width: 100%;
        height: 3rem;
        background-color: #0000001a;
        border: solid rgba(0, 0, 0, 0.15);
        border-width: 1px 0;
        box-shadow:
          inset 0 0.5em 1.5em #0000001a,
          inset 0 0.125em 0.5em #00000026;
      }
      .b-example-vr {
        flex-shrink: 0;
        width: 1.5rem;
        height: 100vh;
      }
      .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;
      }
      .btn-bd-primary {
        --bd-violet-bg: #712cf9;
        --bd-violet-rgb: 112.520718, 44.062154, 249.437846;
        --bs-btn-font-weight: 600;
        --bs-btn-color: var(--bs-white);
        --bs-btn-bg: var(--bd-violet-bg);
        --bs-btn-border-color: var(--bd-violet-bg);
        --bs-btn-hover-color: var(--bs-white);
        --bs-btn-hover-bg: #6528e0;
        --bs-btn-hover-border-color: #6528e0;
        --bs-btn-focus-shadow-rgb: var(--bd-violet-rgb);
        --bs-btn-active-color: var(--bs-btn-hover-color);
        --bs-btn-active-bg: #5a23c8;
        --bs-btn-active-border-color: #5a23c8;
      }
      .bd-mode-toggle {
        z-index: 1500;
      }
      .bd-mode-toggle .bi {
        width: 1em;
        height: 1em;
      }
      .bd-mode-toggle .dropdown-menu .active .bi {
        display: block !important;
      }

      /* HERO SECTION BACKGROUND + LOGO */
.hero-section {
  position: relative;
  /*background: url("certificated.jpg") center center / cover no-repeat;*/
  color: #fff;
  padding: 6rem 1rem;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-logo {
  max-width: 160px;
}

@media (max-width: 768px) {
  .hero-logo {
    max-width: 120px;
  }
}

/* Center marketing section content like the carousel example */
.marketing {
  text-align: center;
}

.marketing .col-lg-4 {
  margin-bottom: 1.5rem;
  text-align: center;
}

.marketing h2 {
  font-weight: 400;
}

.marketing .col-lg-4 p {
  margin-right: 0.75rem;
  margin-left: 0.75rem;
}