Autocomplete blog search code for algoliasearch-jekyll plugin, see it in action on dzello.com

footer.html

<script src="//cdn.jsdelivr.net/algoliasearch/3/algoliasearch.min.js"></script>
<script src="//cdn.jsdelivr.net/autocomplete.js/0/autocomplete.min.js"></script>

<!-- note the values in <...> that you should replace with your own -->
<script type="text/javascript">
  var client = algoliasearch("<your-app-id>", "<your-query-api-key>")
  var index = client.initIndex('<your-index-name>');
  autocomplete('<html-id-of-your-search-box>', {
    hint: false,
    debug: true,
    openOnFocus: true
  }, [{
      source: autocomplete.sources.hits(index, {hitsPerPage: 10}),
      displayKey: 'text',
      templates: {
        suggestion: function(suggestion) {
          return suggestion._highlightResult.text.value +
           "<div>" + suggestion._highlightResult.title.value + "</div>";
        }
      }
    }
  ]).on('autocomplete:selected', function(event, suggestion, dataset) {
    window.location.href = suggestion.url
  });
</script>

main.css

#search-holder {
  float: right;
  text-align: right;
  width: 500px;
}

#search {
  width: 170px;
  border: 1px solid #eee;
  border-radius: 3px;
  font-size: 13px;
  line-height: 15px;
  padding: 4px 60px 4px 4px;
  background-position: right 10px top 4px;
  background-image: url("data:image/png;base64,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");
  background-repeat: no-repeat;
  background-size: 45px 16px;
}

.algolia-autocomplete {
  width: 100%;
}
.algolia-autocomplete .aa-input, .algolia-autocomplete .aa-hint {
  width: 100%;
}
.algolia-autocomplete .aa-hint {
  color: #999;
}
.algolia-autocomplete .aa-dropdown-menu {
  max-height: 400px;
  overflow-y: scroll;
  text-align: left;
  width: 100%;
  background-color: #fff;
  border: 2px solid #ddd;
}
.algolia-autocomplete .aa-dropdown-menu .aa-suggestion {
  cursor: pointer;
  padding: 5px 8px;
  border-bottom: 1px solid #ddd;
  font-size: 13.5px;
  line-height: 17px;
}
.algolia-autocomplete .aa-dropdown-menu .aa-suggestion div {
  color: #333;
  padding-top: 8px;
  text-decoration: underline;
  color: #aaa;
}
.algolia-autocomplete .aa-dropdown-menu .aa-suggestion.aa-cursor {
  background-color: #efefef;
}
.algolia-autocomplete .aa-dropdown-menu .aa-suggestion em {
}
.algolia__result-highlight {
  font-weight: bold;
}

navigation.html

  <!-- theoretically this LI is in your nav UL somewhere -->
  <li id="search-holder">
    <input id="search" class="search" type="text" placeholder="Search posts..." ></input>
  </li>