h1:after,h2:after{display:none}
h1 a:link {text-decoration: underline;}
.r4{display:none}
.twentytwenty-before-label:before, .twentytwenty-after-label:before {
  position: absolute;
  background: rgba(255, 255, 255, 0.2);
  line-height: 38px;
  padding: 0 20px;
  -webkit-border-radius: 2px;
  -moz-border-radius: 2px;
  border-radius: 2px; }

.twentytwenty-horizontal .twentytwenty-before-label:before, .twentytwenty-horizontal .twentytwenty-after-label:before {
  top: 50%;
  margin-top: -19px; }

.twentytwenty-vertical .twentytwenty-before-label:before, .twentytwenty-vertical .twentytwenty-after-label:before {
  left: 50%;
  margin-left: -45px;
  text-align: center;
  width: 90px; }

.twentytwenty-left-arrow, .twentytwenty-right-arrow, .twentytwenty-up-arrow, .twentytwenty-down-arrow {
  width: 0;
  height: 0;
  border: 6px inset transparent;
  position: absolute; }

.twentytwenty-left-arrow, .twentytwenty-right-arrow {
  top: 50%;
  margin-top: -6px; }

.twentytwenty-up-arrow, .twentytwenty-down-arrow {
  left: 50%;
  margin-left: -6px; }

.twentytwenty-container {
  min-height: 207px;
  -webkit-box-sizing: content-box;
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  z-index: 0;
  overflow: hidden;
  position: relative;
  -webkit-user-select: none;
  -moz-user-select: none; }
  .twentytwenty-container img {
        height: auto;
        aspect-ratio: 4/3;
        max-width: 100%;
    position: absolute;
    top: 0;
    display: block; }
  .twentytwenty-container.active .twentytwenty-overlay, .twentytwenty-container.active :hover.twentytwenty-overlay {
    background: rgba(0, 0, 0, 0); }
    .twentytwenty-container.active .twentytwenty-overlay .twentytwenty-before-label,
    .twentytwenty-container.active .twentytwenty-overlay .twentytwenty-after-label, .twentytwenty-container.active :hover.twentytwenty-overlay .twentytwenty-before-label,
    .twentytwenty-container.active :hover.twentytwenty-overlay .twentytwenty-after-label {
      opacity: 0; }
  .twentytwenty-container * {
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box; }

.twentytwenty-before-label {
  opacity: 0; }
  .twentytwenty-before-label:before {
    content: attr(data-content); }

.twentytwenty-after-label {
  opacity: 0; }
  .twentytwenty-after-label:before {
    content: attr(data-content); }

.twentytwenty-horizontal .twentytwenty-before-label:before {
  left: 10px; }

.twentytwenty-horizontal .twentytwenty-after-label:before {
  right: 10px; }

.twentytwenty-vertical .twentytwenty-before-label:before {
  top: 10px; }

.twentytwenty-vertical .twentytwenty-after-label:before {
  bottom: 10px; }

.twentytwenty-overlay {
  -webkit-transition-property: background;
  -moz-transition-property: background;
  transition-property: background;
  background: rgba(0, 0, 0, 0);
  z-index: 25; }
  .twentytwenty-overlay:hover {
    background: rgba(0, 0, 0, 0.5); }
    .twentytwenty-overlay:hover .twentytwenty-after-label {
      opacity: 1; }
    .twentytwenty-overlay:hover .twentytwenty-before-label {
      opacity: 1; }

.twentytwenty-before {
  z-index: 20; }

.twentytwenty-after {
  z-index: 10; }

.twentytwenty-handle {
  height: 38px;
  width: 38px;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -22px;
  margin-top: -22px;
  border: 3px solid white;
  -webkit-border-radius: 1000px;
  -moz-border-radius: 1000px;
  border-radius: 1000px;
  -webkit-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
  z-index: 40;
  cursor: pointer; }

.twentytwenty-horizontal .twentytwenty-handle:before {
  bottom: 50%;
  margin-bottom: 22px;
  -webkit-box-shadow: 0 3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: 0 3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: 0 3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5); }
.twentytwenty-horizontal .twentytwenty-handle:after {
  top: 50%;
  margin-top: 22px;
  -webkit-box-shadow: 0 -3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: 0 -3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: 0 -3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5); }

.twentytwenty-vertical .twentytwenty-handle:before {
  left: 50%;
  margin-left: 22px;
  -webkit-box-shadow: 3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: 3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: 3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5); }
.twentytwenty-vertical .twentytwenty-handle:after {
  right: 50%;
  margin-right: 22px;
  -webkit-box-shadow: -3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: -3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: -3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5); }

.twentytwenty-left-arrow {
  border-right: 6px solid white;
  left: 50%;
  margin-left: -17px; }

.twentytwenty-right-arrow {
  border-left: 6px solid white;
  right: 50%;
  margin-right: -17px; }

.twentytwenty-up-arrow {
  border-bottom: 6px solid white;
  top: 50%;
  margin-top: -17px; }

.twentytwenty-down-arrow {
  border-top: 6px solid white;
  bottom: 50%;
  margin-bottom: -17px; }

section{-webkit-animation: fadein 2s;animation: fadein 2s;}

.img-thumbnail {
  padding: .1rem;
  background-color:#eee;
  border: none;
  border-radius: 0;
  max-width: 100%;
  height: auto;
}

.img-thumbnail {
  filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 3.5+ */
  filter: gray; /* IE6-9 */
  -webkit-filter: grayscale(100%); /* Chrome 19+ & Safari 6+ */
}

.img-thumbnail:hover {
  filter: none;
  -webkit-filter: grayscale(0%);
}