fixed generate button size

frontend/src/components/PromptDisplay.jsx

@@ -288,9 +288,6 @@ const PromptDisplay = () => {
 
             <div className="">
               <button className="btn btn-secondary w-full relative overflow-hidden" onClick={handleFillPool}>
-                <div className="absolute top-0 left-0 h-full bg-green-500 opacity-20 transition-all duration-300"
-                     style={{ width: `${Math.min((poolStats.total / poolStats.target) * 100, 100)}%` }}>
-                </div>
                 <div className="relative z-10 flex items-center justify-center gap-2">
                   <i className="fas fa-sync"></i>
                   <span>Fill Prompt Pool ({poolStats.total}/{poolStats.target})</span>