scinote-web/app/views/shared/_flash_alerts.html.erb

<div id="notifications">
  <% if flash[:success] %>
  <div id="alert-flash" class="alert alert-success alert-dismissable alert-floating">
      <span class="fas fa-check-circle"></span>
      <span class="message"><%= sanitize_input(flash[:success]) %></span>
      <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
  </div>
  <% end %>
  <% if notice %>
  <div id="alert-flash" class="alert alert-info alert-dismissable alert-floating">
      <span class="fas fa-info-circle"></span>
      <span class="message"><%= notice %></span>
      <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
  </div>
  <% end %>
  <% if alert and !alert.empty? or flash[:error]%>
  <div id="alert-flash" class="alert alert-danger alert-dismissable alert-floating">
      <span class="fas fa-exclamation-triangle"></span>
      <span class="message"><%= alert || sanitize_input(flash[:error]) %></span>
      <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
  </div>
  <% end %>
</div>