Update vacancies.md

_pages/vacancies.md

@@ -9,17 +9,14 @@ nav_order: 5
 
 *Last Update: 25 August, 2024*
 
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-## **Postdoc Positions**
+<font size="4"> Postdoc Positions </font>
 
 I have 4 Postdocs opening in 3D Computer Vision, Robotics and Underwater SLAM. Please contact me with your publication list and latest CV.
 
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-## **PhD Positions**
+<font size="4"> PhD Positions </font>
 
 I constantly recruit 2-3 PhD students every year. Please contact me if you are interested. 
 
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-## **Visiting Positions**
+<font size="4"> Visiting Positions </font>
 
 We regularly accept exceptional visiting PhD students who have strong publication record in top venues about perception, robotics and computer vision. If you are interested in visiting us, please send us a description of your research and your publication list.