@keyframes heart {

    0%, 40%, 80%, 100% {
      transform: scale(1);
    }

    20%, 60% {
      transform: scale(1.15);
    }

}

.heart {
    animation: heart 1000ms infinite;
}

.transparent-background {
    background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgAQMAAABJtOi3AAAABlBMVEWZmZlmZmZYfKrVAAAAE0lEQVQI12P4/5+BgZoEA3VNBADtvT/BrQ+bEwAAAABJRU5ErkJggg==);
    background-repeat: repeat;
}

/* Responsive videos */

.md-typeset video {
    height: auto;
    max-width: 100%;
}

/* Share buttons */

.share-buttons {
  font-size: .5rem;
  margin: 8px 0 8px 0;
}

@media screen and (min-width: 1220px) {
  .share-buttons {
    float: right;
    margin-left: 16px;
  }
}

.resp-sharing-button__link,
.resp-sharing-button__icon {
  display: inline-block
}

.resp-sharing-button__link {
  text-decoration: none;
  color: #fff;
  /*margin: 0.5em*/
}

.resp-sharing-button {
  color: #fff;
  margin: 0.5em
  border-radius: 5px;
  transition: 25ms ease-out;
  padding: 0.5em 0.75em;
  font-family: Helvetica Neue,Helvetica,Arial,sans-serif
}

.resp-sharing-button__icon svg {
  width: 1em;
  height: 1em;
  margin-right: 0.4em;
  vertical-align: top
}

.resp-sharing-button--small svg {
  margin: 0;
  vertical-align: middle
}

/* Non solid icons get a stroke */
.resp-sharing-button__icon {
  stroke: #fff;
  fill: none
}

/* Solid icons get a fill */
.resp-sharing-button__icon--solid,
.resp-sharing-button__icon--solidcircle {
  fill: #fff;
  stroke: none
}

.resp-sharing-button--twitter {
  background-color: #55acee
}

.resp-sharing-button--twitter:hover {
  background-color: #2795e9
}

.resp-sharing-button--facebook {
  background-color: #3b5998
}

.resp-sharing-button--facebook:hover {
  background-color: #2d4373
}

.resp-sharing-button--facebook {
  background-color: #3b5998;
  border-color: #3b5998;
}

.resp-sharing-button--facebook:hover,
.resp-sharing-button--facebook:active {
  background-color: #2d4373;
  border-color: #2d4373;
}

.resp-sharing-button--twitter {
  background-color: #55acee;
  border-color: #55acee;
}

.resp-sharing-button--twitter:hover,
.resp-sharing-button--twitter:active {
  background-color: #2795e9;
  border-color: #2795e9;
}