diff --git a/src/epub_converter/css_reader.py b/src/epub_converter/css_reader.py
index 44776ea..37fdc4b 100644
--- a/src/epub_converter/css_reader.py
+++ b/src/epub_converter/css_reader.py
@@ -66,17 +66,17 @@ def convert_indents(value):
     if has_style_attrs:
         if has_style_attrs.group(1):
             value = value.replace(has_style_attrs.group(1),
-                                  str(abs(int("".join(filter(str.isdigit, str(has_style_attrs.group(1))))) * 6)) +
+                                  str(abs(int("0" + "".join(filter(str.isdigit, str(has_style_attrs.group(1))))) * 6)) +
                                   'px')
 
         elif has_style_attrs.group(2):
             value = value.replace(has_style_attrs.group(2),
-                                  str(abs(int("".join(filter(str.isdigit, str(has_style_attrs.group(3))))) * 30)) +
+                                  str(abs(int("0" + "".join(filter(str.isdigit, str(has_style_attrs.group(3))))) * 30)) +
                                   'px')
 
         elif has_style_attrs.group(4):
             value = value.replace(has_style_attrs.group(4),
-                                  str(abs(int("".join(filter(str.isdigit, str(has_style_attrs.group(4))))))) + 'px')
+                                  str(abs(int("0" + "".join(filter(str.isdigit, str(has_style_attrs.group(4))))))) + 'px')
     return value
 
 
@@ -114,7 +114,8 @@ LIVECARTA_STYLE_ATTRS = {
     'border-bottom': [],
     'list-style-type': [],
     'list-style-image': [],
-    'margin-left': []
+    'margin-left': [],
+    'margin-top': []
 }
 
 
@@ -155,7 +156,8 @@ LIVECARTA_STYLE_ATTRS_MAPPING = {
     'border-bottom': lambda x: x if x != '0' else '',
     'list-style-type': lambda x: x if x in list_types else 'disc',
     'list-style-image': lambda x: 'disc',
-    'margin-left': convert_indents
+    'margin-left': convert_indents,
+    'margin-top': convert_indents
 }
 
 """
@@ -274,19 +276,19 @@ class TagStyleConverter:
             clean_style += item[0] + ': ' + item[1] + '; '
 
         margin_left_regexp = re.compile(
-            r'(margin-left:( *-*\w+);*)')
+            r'(margin-left: *(-*\w+);*)')
         text_indent_regexp = re.compile(
-            r'(text-indent:( *-*\w+);*)')
+            r'(text-indent: *(-*\w+);*)')
 
         has_margin_left = re.search(margin_left_regexp, clean_style)
         has_text_indent = re.search(text_indent_regexp, clean_style)
         # formula_of_indent: indent = abs(margin_left - text_indent)
         if has_margin_left:
-            num_ml = abs(int("".join(
+            num_ml = abs(int("0" + "".join(
                 filter(str.isdigit, str(has_margin_left.group(2))))))
 
             if has_text_indent:
-                num_ti = abs(int("".join(
+                num_ti = abs(int("0" + "".join(
                     filter(str.isdigit, str(has_text_indent.group(2))))))
                 clean_style = clean_style.replace(has_text_indent.group(1), 'text-indent: ' +
                                                   str(abs(num_ml - num_ti)) + 'px; ')
@@ -299,7 +301,7 @@ class TagStyleConverter:
 
         elif has_text_indent:
             clean_style = clean_style.replace(has_text_indent.group(1), 'text-indent: ' +
-                                              str(abs(int("".join(
+                                              str(abs(int("0" + "".join(
                                                   filter(str.isdigit, str(has_text_indent.group(2))))))) + 'px; ')
             return clean_style
         return clean_style
@@ -309,8 +311,11 @@ class TagStyleConverter:
             """ Function to remove extra spaces in style to process clean_style """
             # replace all spaces between '; & letter' to ';'
             style = re.sub(r"; *", ";", style)
-            split_style = style.split(';')
-
+            split_style: List = style.split(';')
+            # result = {}
+            # for list_item in split_style:
+            #     key, val = list_item.split(":")
+            #     result[key] = val
             # when we split style by ; and we have at the end ; that's why we have '' in list
             while '' in split_style:
                 split_style.remove('')