import pandas as pd
import seaborn as sns
import matplotlib.pyplot as plt

%matplotlib inline

dataset = pd.read_csv("http://badhessian.org/wp-content/uploads/2014/07/visits_visitors.csv")

sns.set_style("whitegrid")
f, ax = plt.subplots(figsize=(17, 6))

ax.bar(dataset.index, dataset.Views, width=.9, color="#278DBC", align="center", label="Views")
ax.bar(dataset.index, dataset.Visitors, width=.65, color="#000099", align="center", label="Visitors")

ax.set(xlim=(-1, 30), xticks=dataset.index[5::4], xticklabels=dataset.Month[5::4].values)
ax.xaxis.grid(False)

sns.despine(left=True)
ax.legend(ncol=2, loc=1);