Fix CSS error in html_writer.py (#308)

Author: kakumarabhishek

fastdup/html_writer.py

@@ -416,7 +416,7 @@ def write_css(css_dir=None, max_width=None, jupyter_html=False):
 position: absolute;
 margin: 0;
 bottom: 0;
-wifth: 150px
+width: 150px;
 right: 59px;
 }
 
@@ -754,4 +754,4 @@ def write_to_html_file(df, title='', filename='out.html', stats_info = None, sub
     #     </html> '''
     with open(filename, 'w') as f: 
         f.write(result)
-    assert os.path.exists(filename), "Failed to write file " + filename
+    assert os.path.exists(filename), "Failed to write file " + filename