fix cfposters deadline format (#46)

Author: carlosmalt

content/cfposters/deadlines.md

@@ -6,7 +6,7 @@ title: "Important Dates"
 subtitle: ""
 active: true
 ---
-<span style=color:black>Poster Submission Deadline:</span> <span style=color:blue;font-weight:bold>May 26, 2025 (23:59 AoE)</span>
+<span style=color:black>Poster Submission Deadline:</span> <span style=color:blue;font-weight:bold>May 26, 2025 (23:59 AoE)</span>  
 <span style=color:black>Notification of Acceptance: June 23, 2025</span>  
 <span style=color:black>Camera-Ready Submission Deadline: July 14, 2025</span>  
 <span style=color:black>Conference Dates: July 29–31, 2025</span>