diff --git a/is_themecore/src/Core/Smarty/SmartyHelperFunctions.php b/is_themecore/src/Core/Smarty/SmartyHelperFunctions.php
index 39220c2..8662b60 100644
--- a/is_themecore/src/Core/Smarty/SmartyHelperFunctions.php
+++ b/is_themecore/src/Core/Smarty/SmartyHelperFunctions.php
@@ -216,10 +216,10 @@ class SmartyHelperFunctions
             return '';
         }
 
-        // The path to the icons directory
+        // The path to the icons directory. By default under falcon/_dev/img
         $icon_path = _PS_THEME_DIR_ . '/_dev/img/' . basename($params['file']);
         
-        // If there aint an image, display a basic error message on dev mode
+        // If the image does not exist, display a basic error message on dev mode
         if (!is_file($icon_path)) {
             if (defined('_PS_MODE_DEV_') && _PS_MODE_DEV_) {
                 return 'Invalid SVG path: ' . htmlspecialchars($icon_path);
@@ -229,40 +229,49 @@ class SmartyHelperFunctions
 
         $svg_content = file_get_contents($icon_path);
 
-        // Define SVG attributes that should be replaced/added
-        $svg_attributes = [
-            'width',
-            'height',
-            'fill',
-            'stroke',
-            'stroke-width',
-            'opacity',
-            'viewBox',
-        ];
-            
-            foreach ($svg_attributes as $attr) {
-                if (!empty($params[$attr])) {
-                    $value = $params[$attr];
-                    
-                    // Check if attribute already exists in the SVG
-                    if (preg_match('/' . preg_quote($attr) . '="[^"]*"/', $svg_content)) {
-                        // Replace existing attribute
-                        $svg_content = preg_replace(
-                            '/' . preg_quote($attr) . '="[^"]*"/', 
-                            $attr . '="' . $value . '"', 
-                            $svg_content
-                        );
-                    } else {
-                        // Add new attribute to the opening <svg> tag
-                        $svg_content = preg_replace(
-                            '/(<svg[^>]*?)>/', 
-                            '$1 ' . $attr . '="' . $value . '">', 
-                            $svg_content,
-                            1 // Only replace the first occurrence
-                        );
-                    }
+        // Define SVG properties that either should be added as a style in the style tag, or replaced in the svg code itself (attributes)
+        $svg_props = array( 
+            'width' => 'style',
+            'height' => 'style',
+            'opacity' => 'style',
+            'fill' => 'attribute',
+            'stroke' => 'attribute',
+        );
+
+        // Build style attribute from parameters
+        $styles = [];
+        foreach ($svg_props as $prop => $type) {
+            if ($type === 'style' && !empty($params[$prop])) {
+                $value = $params[$prop];
+                // Add 'px' unit for numeric values
+                if (in_array($prop, ['width', 'height']) && is_numeric($value)) {
+                    $value .= 'px';
                 }
+                $styles[] = $prop . ': ' . $value;
             }
+        }
+
+        // If we have styles to apply, add them to the SVG tag
+        if (!empty($styles)) {
+            $style_attr = 'style="' . implode('; ', $styles) . '"';
+            $svg_content = preg_replace('/(<svg[^>]*?)>/', '$1 ' . $style_attr . '>', $svg_content, 1);
+        }
+
+        // Replace attribute values throughout the entire SVG (all occurrences)
+        foreach ($svg_props as $prop => $type) {
+            if ($type === 'attribute' && !empty($params[$prop])) {
+                $value = $params[$prop];
+                
+                // Use word boundaries to avoid matching partial names like fill-opacity or stroke-width
+                // Replace ALL occurrences of the attribute
+                $svg_content = preg_replace(
+                    '/\b' . preg_quote($prop) . '\b\s*=\s*"[^"]*"/',
+                    $prop . '="' . $value . '"',
+                    $svg_content
+                );
+            }
+        }
+
         return $svg_content;
     }