center images properly

README.md

@@ -135,7 +135,7 @@ pip install gtfs-segments
 <!-- USAGE EXAMPLES -->
 # Usage
 
-For documentation, please refer to the [Documentation](https://utel-uiuc.github.io/gtfs_segments_docs/)_
+For documentation, please refer to the [Documentation](https://utel-uiuc.github.io/gtfs_segments_docs/)
 
 Import the package using 
 ```python
@@ -150,19 +150,20 @@ sources_df = fetch_gtfs_source()
 sources_df.head()
 ```
 
-<a align='center'>
+<div align='center'><a>
     <img src="images/sources.jpg" alt="sources" width=800>
-</a><br clear='center'/>  
+</a></div>  
 
 ### Fetch source by name/provider/state
 ```python
 from gtfs_segments import fetch_gtfs_source
 sources_df = fetch_gtfs_source(place ='Chicago')
 sources_df
 ```
-<a align='center'>
+<div align='center'><a>
     <img src="images/sources_chicago.jpg" alt="sources" width=800>
-</a><br clear='center'/>  
+</a></div>   
+
 ## Automated Download  
 ```python
 from gtfs_segments import download_latest_data
@@ -178,28 +179,28 @@ from gtfs_segments import get_gtfs_segments
 segments_df = get_gtfs_segments("path_to_gtfs_zip_file")
 segments_df
 ```
-<a align='center'>
+<div align='center'><a>
     <img src="images/data.jpg" alt="data" width=800>
-</a><br clear='center'/>  
+</a></div>  
 
 ## Visualize Spacings
 
 ```python
 from gtfs_segments import view_spacings
 view_spacings(segments_df,route = '18131',segment = '6294-6290-1',basemap=True)
 ```
-<a align='center'>
+<div align='center'><a>
     <img src="images/visualize.jpg" alt="data" width=600>
-</a><br clear='center'/>  
+</a></div>  
 
 ## Plot Distributions
 ```python
 from gtfs_segments import plot_hist
 plot_hist(segments_df, max_spacing = 1200)
 ```
-<a align='center'>>
+<div align='center'><a>
     <img src="images/hist.jpg" alt="histogram" width=800>
-</a><br clear='center'/>  
+</a></div>  
 
 Optionally save figure using
 ```python
@@ -211,9 +212,10 @@ plot_hist(segments_df,file_path = "spacings_hist.png",save_fig = True)
 from gtfs_segments import summary_stats
 summary_stats(segments_df,max_spacing = 3000,export = True,file_path = "summary.csv")
 ```
-<a align ='center'>
+
+<div align='center'><a>
     <img src="images/summary.jpg" alt="histogram" width=400>
-</a><br clear='center'/>  
+</a></div>  
 
 
 ## Download Data