body {
  scroll-behavior: smooth;
}

/**
 * Bootstrap "Journal code" icon
 * @link https://icons.getbootstrap.com/icons/journal-code/
 */
.bd-heading a::before {
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-right: .25rem;
  content: "";
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%25230d6efd' viewBox='0 0 16 16'%3E%3Cpath d='M4 1h8a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2h1a1 1 0 0 0 1 1h8a1 1 0 0 0 1-1V3a1 1 0 0 0-1-1H4a1 1 0 0 0-1 1H2a2 2 0 0 1 2-2z'/%3E%3Cpath d='M2 5v-.5a.5.5 0 0 1 1 0V5h.5a.5.5 0 0 1 0 1h-2a.5.5 0 0 1 0-1H2zm0 3v-.5a.5.5 0 0 1 1 0V8h.5a.5.5 0 0 1 0 1h-2a.5.5 0 0 1 0-1H2zm0 3v-.5a.5.5 0 0 1 1 0v.5h.5a.5.5 0 0 1 0 1h-2a.5.5 0 0 1 0-1H2z'/%3E%3Cpath fill-rule='evenodd' d='M8.646 5.646a.5.5 0 0 1 .708 0l2 2a.5.5 0 0 1 0 .708l-2 2a.5.5 0 0 1-.708-.708L10.293 8 8.646 6.354a.5.5 0 0 1 0-.708zm-1.292 0a.5.5 0 0 0-.708 0l-2 2a.5.5 0 0 0 0 .708l2 2a.5.5 0 0 0 .708-.708L5.707 8l1.647-1.646a.5.5 0 0 0 0-.708z'/%3E%3C/svg%3E");
  background-size: 1em;
}

/* stylelint-disable-next-line selector-max-universal */
.bd-heading + div > * + * {

}

/* Table of contents */
.bd-aside a {
  padding: .1875rem .5rem;
  margin-top: .125rem;
  margin-left: .3125rem;
  color: rgba(0, 0, 0, .65);
  text-decoration: none;
}

.bd-aside a:hover,
.bd-aside a:focus {
  color: rgba(0, 0, 0, .85);
  background-color: rgba(121, 82, 179, .1);
}

.bd-aside .active {
  font-weight: 600;
  color: rgba(0, 0, 0, .85);
}

.bd-aside .btn {
  padding: .25rem .5rem;
  font-weight: 600;
  color: rgba(0, 0, 0, .65);
  border: 0;
}

.bd-aside .btn:hover,
.bd-aside .btn:focus {
  color: rgba(0, 0, 0, .85);
  background-color: rgba(121, 82, 179, .1);
}

.bd-aside .btn:focus {
  box-shadow: 0 0 0 1px rgba(121, 82, 179, .7);
}

.bd-aside .btn::before {
  width: 1.25em;
  line-height: 0;
  content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%280,0,0,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
  transition: transform .35s ease;

  /* rtl:raw:
  transform: rotate(180deg) translateX(-2px);
  */
  transform-origin: .5em 50%;
}

.bd-aside .btn[aria-expanded="true"]::before {
  transform: rotate(90deg)/* rtl:ignore */;
}


/* Examples */
.scrollspy-example {
  position: relative;
  height: 200px;
  margin-top: .5rem;
  overflow: auto;
}

[id="modal"] .bd-example .btn,
[id="buttons"] .bd-example .btn,
[id="tooltips"] .bd-example .btn,
[id="popovers"] .bd-example .btn,
[id="dropdowns"] .bd-example .btn-group,
[id="dropdowns"] .bd-example .dropdown,
[id="dropdowns"] .bd-example .dropup,
[id="dropdowns"] .bd-example .dropend,
[id="dropdowns"] .bd-example .dropstart {
  margin: 0 1rem 1rem 0;
}
.contenthd { margin-bottom: 30px}
.contenthd p {line-height: 22px}
/* Layout */
@media (min-width: 1200px) {
  body {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr 4fr 1fr;
    grid-template-rows: auto;
  }

  .bd-header {
    position: fixed;
    top: 0;
    /* rtl:begin:ignore */
    right: 0;
    left: 0;
    /* rtl:end:ignore */
    z-index: 1030;
    grid-column: 1 / span 3;
  }

  .bd-aside,
  .bd-cheatsheet {
    padding-top: 4.5rem;
  }

  /**
   * 1. Too bad only Firefox supports subgrids ATM
   */
  .bd-cheatsheet,
  .bd-cheatsheet section,
  .bd-cheatsheet article {
    display: inherit; /* 1 */
    gap: inherit; /* 1 */
    grid-template-columns: 1fr 4fr;
    grid-column: 1 / span 2;
    grid-template-rows: auto;
  }

  .bd-aside {
    grid-area: 1 / 3;
    scroll-margin-top: 4rem;
  }

  .bd-cheatsheet section,
  .bd-cheatsheet section > h2 {
    top: 1rem;
    scroll-margin-top: 2rem;
  }

  .bd-cheatsheet section > h2::before {
    position: absolute;
    /* rtl:begin:ignore */
    top: 0;
    right: 0;
    bottom: -2rem;
    left: 0;
    /* rtl:end:ignore */
    z-index: -1;
    content: "";
    background-image: linear-gradient(to bottom, rgba(255, 255, 255, 1) calc(100% - 3rem), rgba(255, 255, 255, .01));
  }

  .bd-cheatsheet article,
  .bd-cheatsheet .bd-heading {
    top: 8rem;
    scroll-margin-top: 8rem;
  }

  .bd-cheatsheet .bd-heading {
    z-index: 1;
  }
}
.nuberst { margin-right: 5px; float: left; font-size: 12px; font-weight: bold;-webkit-border-radius: 10px;
-moz-border-radius: 10px;
border-radius: 10px; border: 2px solid #adadad; width: 18px; height: 18px; line-height: 16px; color: #adadad; text-align: center;}
.imghd {width: 100%; float: left; text-align: center; margin-bottom: 30px; }
.imghd img {max-height: 450px; max-width: 100%}
.buthd {padding: 6px 20px; background:#FF8A00; color: #fff; line-height: 20px; font-size: 12px; font-weight: bold; -webkit-border-radius: 20px;
-moz-border-radius: 20px;
border-radius: 20px; margin-right: 5px;}
.breahd{ width: 100%; float: left; margin: 20px;}
.notehd {color:#FF8A00; font-style: italic;}
.linkhd {color: #FF8A00; font-weight: bold;}
.stephd {width: 100%; float: left; overflow: hidden; text-align: center; margin-bottom: 30px;}
.stephd img {max-width: 100%;}
.righthd {float: right}
.lefthd {float: left}
.display-7 {font-size: 24px;}
#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: red;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}

#myBtn:hover {
  background-color: #555;
}

@media only screen and (max-width: 600px)  {
	.pd80 {padding-top: 80px;}
	.imghd { text-align: center; margin-bottom: 30px}
	.imghd img {max-width: 100%}
	.imghdl {text-align: center; margin-bottom: 30px;}
    .bd-heading h3 {text-transform: uppercase; color: #999; font-size: 14px; }
}