<div role="status" class="uk-icon uk-spinner">
  <svg
    width="<%= local_assigns[:width] || 35 %>"
    height="<%= local_assigns[:height] || 35 %>"
    viewBox="0 0 30 30"
    xmlns="http://www.w3.org/2000/svg"
  >
    <circle fill="none" stroke="#000" cx="15" cy="15" r="14"></circle>
  </svg>
</div>