title: Setting Background color to transparent in Plotly plots
body: <p>My python code creates a plotly Bar plot but the background is white in color i want to change it into transparent color is that doable </p>
  
  <p><strong><em>My Code:</em></strong></p>
  
  <pre><code>import plotly.plotly as py
  from plotly.graph_objs import *
  py.sign_in('username', 'api_key')
  data = Data([
  Bar(
      x=['Sivaranjani S', 'Vijayalakshmi C', 'Rajeshwari S', 'Shanthi Priscilla', 'Pandiyaraj G', 'Kamatchi S', 'MohanaPriya', 'Madhumitha G', 'Franklin Alphones Raj J', 'Akfaris Almaas', 'Biswajit Champati', 'Priya R', 'Rekha Rajasekaran', 'Sarath Kumar B', 'Jegan L', 'Karthick A', 'Mahalakshmi S', 'Ragunathan V', 'Anu S', 'Ramkumar KS', 'Uthra R'],
      y=[1640, 1394, 1390, 1313, 2166, 1521, 1078, 1543, 780, 1202, 1505, 2028, 2032, 1769, 1238, 1491, 1477, 1329, 2038, 1339, 1458],
      text=['Scuti', 'Scuti', 'Cygni', 'Scorpii', 'Scuti', 'Pollux', 'Scorpii', 'Pollux', 'Scuti', 'Pollux', 'Scorpii', 'Scorpii', 'Scuti', 'Cygni', 'Scorpii', 'Scuti', 'Scuti', 'Pollux', 'Scuti', 'Pollux', 'Pollux'])])
  plot_url = py.plot(data)
  </code></pre>
  
  <p><strong><em>The graph looks like this</em></strong></p>
  
  <p><img src="https://i.stack.imgur.com/KudRA.jpg" alt="enter image description here"></p>