Base Iconography Styles

Style defaults for Sprout Icons.
Example

html
<div style="display:flex;flex-direction:row;justify-content:center;">
 <div style="padding:5px;">
  <i class="spr-icon spr-icon-trash"></i>  <i class="spr-icon spr-icon-close"></i>  <i class="spr-icon spr-icon-info"></i>
  <i class="spr-icon spr-icon-trash error"></i>  <i class="spr-icon spr-icon-close error"></i>  <i class="spr-icon spr-icon-info error"></i>
 </div>
</div>
<div style="display:flex;flex-direction:row;justify-content:center;">
 <div style="padding:5px;">
  <i class="spr-icon spr-icon-trash dark"></i>  <i class="spr-icon spr-icon-close dark"></i>  <i class="spr-icon spr-icon-info dark"></i>
</div>
<div style="display:flex;flex-direction:row;justify-content:center;background-color:gray;">
 <div style="padding:5px;">
  <i class="spr-icon spr-icon-trash light"></i>  <i class="spr-icon spr-icon-close light"></i>  <i class="spr-icon spr-icon-info light"></i>
 </div>
</div>