minor design fixes

frontend/src/components/Footer/Footer.js

@@ -14,16 +14,18 @@ const Footer = () => {
       }}
     >
       <Typography variant="body2" color="text.secondary" sx={{ mx: 4 }}>
-        We keep processed documents for research purposes, to which you agree by
-        using the space. For a fully private usage, please duplicate the{" "}
+        We keep <b>processed documents</b> for <b>research purposes</b>, to
+        which you agree by using the space. For a <b>fully private usage</b>,
+        please duplicate the{" "}
         <Link
           href="https://huggingface.co/spaces/yourbench/advanced"
           target="_blank"
           rel="noopener noreferrer"
           color="inherit"
         >
-          advanced demo space
+          <b>advanced demo space</b>
         </Link>
+        .
       </Typography>
     </Box>
   );

frontend/src/components/Intro.jsx

@@ -46,7 +46,8 @@ const Intro = () => {
       </Typography>
       <Typography
         variant="body2"
-        sx={{ maxWidth: "800px", mx: "auto", mt: 2, opacity: 0.4 }}
+        color="text.secondary"
+        sx={{ maxWidth: "800px", mx: "auto", mt: 2, opacity: 0.7 }}
       >
         Currently, this is an <b>extremely minimal demo</b>. <br />
         To <b>unlock the full capabilities</b>, please visit our{" "}