app/views/data/yearly_index.erb
<h4>
<%= link_to data_vault_path, class: 'grey-text tooltipped', style: 'position: relative; top: 4px;', data: {
position: 'bottom',
enterDelay: '500',
tooltip: "Back to your Data Vault"
} do %>
<i class="material-icons">arrow_back</i>
<% end %>
Your years in review
</h4>
<div class="row">
<% @years.each do |year| %>
<div class="col s12 m6 l4">
<%= link_to review_year_path(year) do %>
<div class="hoverable card-panel center" style="border-top: 5px solid #2196F3">
<h1 class="blue-text"><%= year %></h1>
<p class="grey-text">
Click to see your Notebook.ai activity for <%= year %>.
</p>
</div>
<% end %>
</div>
<% end %>
</div>