[design] increase theme radius max

Author: zombieFox

src/index.html

@@ -1781,7 +1781,7 @@ <h1 class="menu-item-header-text">Radius</h1>
               <div class="input-wrap">
                 <label for="control-theme-radius">All corners</label>
                 <div class="form-group form-group-block mb-0">
-                  <input id="control-theme-radius" class="control-theme-radius mr-3" type="range" min="0" max="300" value="0" step="5" tabindex="-1">
+                  <input id="control-theme-radius" class="control-theme-radius mr-3" type="range" min="0" max="400" value="0" step="5" tabindex="-1">
                   <div class="control-theme-radius-count form-group-text form-group-item-medium form-group-radius-left"></div>
                 </div>
               </div>