ui(interlinker): improve contrast for scroll-to-top button

frontend/src/pages/project/3.astro

@@ -19,12 +19,13 @@ export const metadata: ProjectMetadata = {
   <p>
     <h3>How it works?</h3>
     <ul>
-      <li>You <strong>seed</strong> the crawler with a link ('the origin')</li>
-      <li>It will start crawling the page, looking for <strong>links</strong> (<code>&lta/&gt</code> tags)</li>
+      <li>You <strong>seed</strong> the crawler with a url ('the origin')</li>
+      <li>It will start crawling that page, looking for <strong>links</strong> (<code>&lta/&gt</code> tags)</li>
       <li>The links found will be added to a <strong>queue</strong></li>
       <li>It will <strong>repeat</strong> the process for each link in the queue</li>
     </ul>
   </p>
+  <p>You can feed multiple origins to the crawler, and it will crawl them in parallel!</p>
   <p>Start <button id="scroll-to-bottom-btn">scrolling down</button> and <strong>paste a link</strong> in the search box to see it in action!</p>
   <div id="main-wrapper">
     <div id="graph" />
@@ -90,7 +91,7 @@ export const metadata: ProjectMetadata = {
         width: 400px;
         height: 40px;
         font-size: 1.2rem;
-        background-color: rgb(48, 49, 49);
+        background-color: #303131;
         border: 1px solid black;
         color: #e9e9e9;
         padding: 20px 4px;
@@ -165,7 +166,7 @@ export const metadata: ProjectMetadata = {
       position: absolute;
       bottom: 25px;
       right: 20px;
-      background-color: #2e3436;
+      background-color: #4a4b4b;
       border: none;
       color: #c0c1eb;
       padding: 8px 16px;