replaced all css w/ tailwind css

src/components/FileUploadButton.tsx

@@ -14,7 +14,7 @@ const FileUploadButton: React.FC<Props> = (props) => {
 			<button onClick={()=>inputRef.current?.click()} >
                 Upload files
 			</button>
-			<input type="file" multiple style={{display:"none"}} ref={inputRef} onInput={()=>{
+			<input type="file" multiple className="hidden" ref={inputRef} onInput={()=>{
 				if (inputRef.current && inputRef.current.files){
 					props.onUpload?.(inputRef.current.files)
 				}