.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: rgba(0, 0, 0, .1);
    border: solid rgba(0, 0, 0, .15);
    border-width: 1px 0;
    box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
  }

  .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;
  }

  .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 .dropdown-menu .active .bi {
    display: block !important;
  }

  .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: rgba(0, 0, 0, .1);
    border: solid rgba(0, 0, 0, .15);
    border-width: 1px 0;
    box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
  }

  .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;
  }

  .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 .dropdown-menu .active .bi {
    display: block !important;
  }

  .logo {
    width: 100px;
  }

  .tx-roxo2 {
    background: -webkit-linear-gradient(45deg, blueviolet, #3B7CD5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
.callout {
    padding: 20px;
    margin: 20px 0;
    border: 1px solid #eee;
    border-left-width: 6px !important;
    border-radius: 3px;
}
.book.color-theme-1 .callout {
    border: 1px solid #ebdaa5;
}
.book.color-theme-2 .callout {
    border: 1px solid #2f3549;
}
.callout h4 {
    margin-top: 0;
    margin-bottom: 1em;
}
.callout p:last-child {
    margin-bottom: 0;
}
.callout code {
    border-radius: 3px;
}
.callout+.callout {
    margin-top: -5px;
}
.callout-default {
    border-left-color: #777 !important;
}
.callout-default h4 {
    color: #777 !important;
}
.callout-primary {
    border-left-color: #428bca !important;
}
.callout-primary h4 {
    color: #428bca !important;
}
.callout-success {
    border-left-color: #5cb85c !important;
}
.callout-success h4 {
    color: #5cb85c !important;
}
.callout-danger {
    border-left-color: #d9534f !important;
}
.callout-danger h4 {
    color: #d9534f !important;
}
.callout-warning {
    border-left-color: #f0ad4e !important;
}
.callout-warning h4 {
    color: #f0ad4e !important;
}
.callout-info {
    border-left-color: #5bc0de !important;
}
.callout-info h4 {
    color: #5bc0de !important;
}