readme update

Author: shivangi-aneja

README.md

@@ -159,9 +159,18 @@ The `.npy` file for evaluation can be downloaded [here](https://drive.google.com
   <img src="/images/gt_149.png" width="23%" />
 </p>
 
-<p float="left">
-  <img src="/images/comp_149.png" width="23%" title="Composite Image" />
-  <img src="/images/ht_149.png" width="23%" title="Deep Image Harmonization"/>
-  <img src="/images/pred_149.png" width="23%" title="Predicted (Ours)"/>
-  <img src="/images/gt_149.png" width="23%" title="Ground Truth" />
-</p>
+
+<div style="-webkit-column-count: 3; -moz-column-count: 3; column-count: 3; -webkit-column-rule: 1px dotted #e0e0e0; -moz-column-rule: 1px dotted #e0e0e0; column-rule: 1px dotted #e0e0e0;">
+    <div style="display: inline-block;">
+        Composite
+    </div>
+    <div style="display: inline-block;">
+       Deep Image
+    </div>
+    <div style="display: inline-block;">
+       Predicted
+    </div>
+    <div style="display: inline-block;">
+       Ours
+    </div>
+</div>