fix(web): make mention background color lighter
fix(web): make mention background color lighter

EaglesoftZJ/actor-platform,EaglesoftZJ/actor-platform,y0ke/actor-platform,EaglesoftZJ/actor-platform,EaglesoftZJ/actor-platform,EaglesoftZJ/actor-platform,y0ke/actor-platform,y0ke/actor-platform,y0ke/actor-platform,y0ke/actor-platform,y0ke/actor-platform,EaglesoftZJ/actor-platform,y0ke/actor-platform,y0ke/actor-platform,EaglesoftZJ/actor-platform,EaglesoftZJ/actor-platform