This is a small conflict with your active theme. Please navigate to Dashboard > Forums > Settings > Styles admin page, add the following CSS code in "Custom CSS code" textarea, save it, delete all caches, do CTRL+F5 on frontend. 

#wpforo #wpforo-wrap .wpf-feed-topics a, #wpforo #wpforo-wrap .wpf-feed-forums a, #wpforo #wpforo-wrap .wpf-unread-posts a{
   background-image: none !important;
}
.wpforo-feed {
   display: flex;
}

i have issue with the rss feed, you can see this in the picture :
http://www.interload.co.il/upload/8470030.PNG

the link of the site is :http://secretjob.online/index.php/community/