change workarena URL and link color

Author: imenelydiaker

docs/landing_page/index.html

@@ -76,7 +76,7 @@
           <a class="navbar-item" href="./projects/browsergym.html">
             BrowserGym Ecosystem
           </a>
-          <a class="navbar-item" href="./projects/workarena.html">
+          <a class="navbar-item" href="https://servicenow.github.io/WorkArena/">
             WorkArena Benchmark
           </a>
           <a class="navbar-item" href="./projects/workarena-plus-plus.html">
@@ -107,7 +107,7 @@ <h1 class="title is-1 publication-title">AgentLab Research Hub</h1>
 
           <div class="is-size-5 publication-authors">
             <span class="author-block">
-              <a href="https://servicenow.com">ServiceNow Research</a>
+              <a href="https://servicenow.com" style="color: #63df4e;">ServiceNow Research</a>
             </span>
           </div>