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HTML

              
                
    <!-- betterembed element -->
    <article class="betterembed js-betterembed">
      <button type="button" class="betterembed__show-original-element js-betterembed-show-message"></button>
      <div class="betterembed__item">
        <header>
          <h3 class="betterembed__network">Twitter</h3>
        </header>
        <div class="betterembed__body">
          <div class="betterembed__msg">
            <p>
              With a click on the link below, the original content will be loaded. This can include remote content and you can possibly be tracked from the original provider.</p><p><strong>{{ Text should be adopted for your GDPR needs }}</strong></p>
            <a href="javascript:;" class="betterembed__msg-button-primary js-betterembed-load-remote">show original content</a>
            <a href="javascript:;" class="betterembed__msg-button-secondary js-betterembed-close">close</a>
          </div>
          <figure class="betterembed__media">
            <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/310306/acolono-splashawards.jpg" alt="embed image">
          </figure>
          <h3 class="betterembed__title">acolono GmbH on Twitter</h3>
          <div class="betterembed__text">
            We love to splash! Part of our team attended the Austrian/German #splashawards yesterday at @burda_news in Munich. Nominated three times we won the award together with @getunik in the Non-Profit category for the @WWF_Schweiz guides project! YEAH!!
            <a class="betterembed__read-more" href="https://twitter.com/acolono/status/1122073732565086208" target="_blank" rel="nofollow noopener">read more</a>
          </div>
          <footer class="betterembed__footer">
            <span class="betterembed__author">
              <a href="https://twitter.com/acolono" target="_blank" rel="nofollow noopener">acolono GmbH</a>
            </span>
            <span>x days ago</span>
          </footer>
        </div>
      </div>
      <div class="betterembed__embed"></div>
    </article>

<p>for multiple elements, head over to <a href="https://codepen.io/Grienauer/pen/ewZBJo" target="_blank" rel="noopener">Codepen for Multiple BetterEmbed Elements</a></p>
<p>see the output of the post via API <a href="https://api.betterembed.com/api/v0/item?url=https%3A%2F%2Ftwitter.com%2Facolono%2Fstatus%2F1122073732565086208" target="_blank" rel="noopener">API Output</a></p>
              
            
!

CSS

              
                // remove this. just needed for this demo
body {
  padding: 3em 1em;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* Social Feed */
$betterembed-content-margin: 15px;
$betterembed-color-primary: #4c5559;
$betterembedShowOriginalSize: 30px;

// set to "inherit" if it should adopt your base Font.
$betterembedFontFamily: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;


/* breaks Words when they are too long and would burst the layout. */
@mixin word-wrap() {
  /* Non standard for webkit */
  word-break: break-word;
  -webkit-hyphens: auto;
  -moz-hyphens: auto;
  -ms-hyphens: auto;
  hyphens: auto;
}

@mixin ellipsis() {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

@mixin text-invisible() {
  text-indent: -9999em;
}

// Hide elements visually, but keep them available for screen-readers.
//
// Used for information required for screen-reader users to understand and use
// the site where visual display is undesirable. Information provided in this
// manner should be kept concise, to avoid unnecessary burden on the user.
// "!important" is used to prevent unintentional overrides.
@mixin element-invisible() {
  position: absolute !important;
  left: 0;
  top: 0;
  clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
  clip: rect(1px, 1px, 1px, 1px);
  overflow: hidden;
  height: 1px;
}

.betterembed {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-family: $betterembedFontFamily;
  font-weight: 300;
  box-sizing: border-box;
  position: relative; //for iframe switcher
  // we define a max width and align it centered as a default.
  max-width: 550px;
  margin-left: auto;
  margin-right: auto;

  &.is-betterembed-msg-visible {
    .betterembed {
      &__msg {
        display: block;
      }
      &__show-original-element {
        background-position: center right;
      }
    }
  }
  &.is-betterembed-remote-visible {
    & .betterembed__embed {
      display: block;
    }
    & .betterembed__item {
      display: none;
    }
  }

  &__show-original-element {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1;
    cursor: pointer;
    background-image: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/310306/betterembed-logo.png");
    background-repeat: none;
    background-position: center right;
    background-size: 23px 23px;
    background-repeat: no-repeat;
    height: $betterembedShowOriginalSize;
    //width: $betterembedShowOriginalSize;
    padding-right: $betterembedShowOriginalSize;
    display: block;
    background-color: transparent;
    border: none;
    &:focus {
      outline: none;
    }
  }

  &__item {
    overflow: hidden; // prevent overflowing if unexpected things happening
  }
  &__network {
    @include word-wrap();
    padding-right: $betterembedShowOriginalSize; //for show iframe element
    margin: 0 0 10px 0;
    flex-grow: 1;
    text-transform: uppercase;
    font-weight: bold;
    color: $betterembed-color-primary;
  }
  &__media {
    margin:0;
    img {
      width: 100%;
      height: auto;
    }
  }
  &__title {
    clear: both;
    padding: 0 $betterembed-content-margin;
    margin: $betterembed-content-margin 0 0 0;
    @include word-wrap;
    font-size: 22px;
  }
  &__text {
    clear: both;
    padding: $betterembed-content-margin;
    @include word-wrap;
    font-size: 18px;
    a {
      color: #fff;
      font-weight: inherit; /* could be removed */
      text-decoration: underline;
    }
  }
  &__read-more {
    color: #fff;
    font-size: 14px;
    white-space: nowrap;
  }
  &__body {
    background: $betterembed-color-primary;
    color: #fff;
    font-size: 20px;
    position: relative;
  }
  &__msg {
    display: none;
    font-size: 16px;
    position: absolute;
    padding: 20px;
    top: 15px;
    left: 15px;
    right: 15px;
    background-color: rgba(0, 0, 0, 0.84);
    color: white;
    text-align: center;
    p {
      text-align: left;
      margin: 0;
      &:not(last-of-type) {
        padding-bottom: 10px;
      }
    }
    strong {
      font-weight: 600;
    }
    &-button-primary {
      display: inline-flex;
      margin-top: 20px;
      background-color: white;
      padding: 10px 20px;
      color: black;
    }
    &-button-secondary {
      display: inline-flex;
      margin-top: 20px;
      padding: 10px 20px;
      color: white;
    }
  }
  &__footer {
    margin: 0 $betterembed-content-margin;
    padding: $betterembed-content-margin 0;
    border-top: 1px solid #fff;
    font-size: 16px;
    overflow: auto;
  }
  &__author {
    a {
      color: #fff;
      font-weight: bold;
      text-decoration: none;
      &:hover {
        text-decoration: underline;
      }
    }
  }
  // the original embed or iframe content
  &__embed {
    //needed for e.g. Twitter Markup and that the show/hide icon is not inside of the component.
    display: none;
    padding-top: $betterembedShowOriginalSize;
    > * {
      //some adoptions to make iframes more responsive
      //e.g. for twitter embed if it is under 250px
      width: 100% !important;
    overflow-x: none;
            margin: 0;
      padding: 0;
    }
    & * {

    }
  }
}

//hacks for making some embedded services responsive
//todo: check if it still works :)
.betterembed__embed {
  //e.g. for facebook
  > iframe {
    width: 100%;
  }
}
              
            
!

JS

              
                var betterembed_show = document.querySelectorAll('.js-betterembed-show-message,.js-betterembed-load-remote,.js-betterembed-close');
document.querySelectorAll('button.js-betterembed-show-message').forEach(function(button) {
  button.innerHTML = 'show original';
});
var showhidebtn = document.getElementsByClassName('.js-betterembed-show-message')[0];
for (var i = 0; i < betterembed_show.length; i++) {
  betterembed_show[i].addEventListener('click', function(e) {
    
    var container = this.closest('.js-betterembed');
    var showhidebtn = container.querySelector('button.js-betterembed-show-message');
    
    if(e.currentTarget.classList.contains('js-betterembed-show-message')) {
      container.classList.toggle('is-betterembed-msg-visible');
      container.classList.remove('is-betterembed-remote-visible');
      showhidebtn.innerHTML = 'show original';      
    }
    
    if(e.currentTarget.classList.contains('js-betterembed-close')) {
      container.classList.remove('is-betterembed-msg-visible');
    }
    
    if(e.currentTarget.classList.contains('js-betterembed-load-remote')) {
      var embed_elem = container.lastElementChild;
      //embed_elem.innerHTML = load_remote;
      container.classList.toggle('is-betterembed-remote-visible');
      
      //ajax stuff
      var request = new XMLHttpRequest();
      
      //Ajax URL. mocky.io only for the demo - simulating response which contains twitter post data
      var ajax_url = 'https://www.mocky.io/v2/5e1454222d00007200166ef6';
      
      request.open('GET', ajax_url, true);
      
      request.onload = function() {
        if (request.status >= 200 && request.status < 400) {
          var resp = request.responseText;
          
          embed_elem.innerHTML = resp;
          
          //search for script tags and make executing this
          var scripts = Array.prototype.slice.call(embed_elem.getElementsByTagName("script"));
          for (var i = 0; i < scripts.length; i++) {
              if (scripts[i].src != "") {
                  var tag = document.createElement("script");
                  tag.src = scripts[i].src;
                  document.getElementsByTagName("head")[0].appendChild(tag);
              } else {
                  eval(scripts[i].innerHTML);
              }
          }          
        }
      };
      request.send();
      //end ajax stuff
      
      showhidebtn.innerHTML = 'hide original';
      
    }

    e.preventDefault();
    
  }, false);
}
              
            
!
999px

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