Update homepage content

Signed-off-by: Haolong Wang <109599952+gsmark36@users.noreply.github.com>

index.md

@@ -5,7 +5,7 @@ title: "Home | Haolong Wang"
 
 # About Me
 
-<a href="https://github.com/gsmark36"><img class="profile-picture" src="{{ site.url }}/assets/panda-head.png" style="opacity: 0.80; width: 160px; height: 140px;"></a>
+<a href="https://github.com/gsmark36"><img class="profile-picture" src="{{ site.url }}/assets/juice.png" style="opacity: 0.80; width: 130px; height: 200px;"></a>
 
 Hi! I am a graduate student at Computer Lab, University of Cambridge. 
 

research.md

@@ -10,7 +10,7 @@ Some of my research projects are shown here. Please contact me if you have any q
 ---
 
 ## Title 1
-<img class="profile-picture" src="{{ site.url }}/assets/panda-head.png" style="opacity: 0.80; width: 160px; height: 140px;">
+<img class="profile-picture" src="{{ site.url }}/assets/cactus.png" style="opacity: 0.80; width: 170px; height: 170px;">
 
 **Full name of project 1**  
 
@@ -22,7 +22,7 @@ Description of project to be added here.
 ---
 
 ## Title 2
-<img class="profile-picture" src="{{ site.url }}/assets/plant.png" style="opacity: 0.80; width: 180px; height: 180px;">
+<img class="profile-picture" src="{{ site.url }}/assets/plant.png" style="opacity: 0.80; width: 150px; height: 150px;">
 
 ### Full name of project 2
 Description of project to be added here.