Fixed some bugs on Opportunities and Events Page#161

SithuSoe04 wants to merge 1 commit intomainWill-Hsu/cses_webdev:mainfrom

feature/Sithu-Soe/FE-OpportunitiesBugFixWill-Hsu/cses_webdev:feature/Sithu-Soe/FE-OpportunitiesBugFixCopy head branch name to clipboard