diff --git a/index.html b/index.html
index 729d979..b1cff0e 100644
--- a/index.html
+++ b/index.html
@@ -172,10 +172,10 @@ <h2>What We Do</h2>
             <div class="row">
                 <div class="col-md-4 col-sm-6 ">
                     <div class="feature-center animate-box" data-animate-effect="fadeInUp">
-						<span class="icon">
-							<i class="fa fa-users" aria-hidden="true"></i>
+                        <span class="icon">
+                            <i class="fa fa-users" aria-hidden="true"></i>
 
-						</span>
+                        </span>
                         <h3>Bringing developers together</h3>
                         <p>Have any issue that seems headache and you have limited contacts.No issues our community help
                             you to explore and interact with people around world and see their way of solution to your
@@ -185,9 +185,9 @@ <h3>Bringing developers together</h3>
                 </div>
                 <div class="col-md-4 col-sm-6 ">
                     <div class="feature-center animate-box" data-animate-effect="fadeInUp">
-						<span class="icon">
-						<i class="fa fa-desktop" aria-hidden="true"></i>
-						</span>
+                        <span class="icon">
+                        <i class="fa fa-desktop" aria-hidden="true"></i>
+                        </span>
                         <h3>Enticing Hackathons </h3>
                         <p>Showcase your talent and win some exciting goodies.If you don't win dont't get dissappointed
                             as you will have tons of learning new tech. </p>
@@ -197,10 +197,10 @@ <h3>Enticing Hackathons </h3>
                 <div class="clearfix visible-sm-block"></div>
                 <div class="col-md-4 col-sm-6 ">
                     <div class="feature-center animate-box" data-animate-effect="fadeInUp">
-						<span class="icon">
-							<i class="fa fa-building-o" aria-hidden="true"></i>
+                        <span class="icon">
+                            <i class="fa fa-building-o" aria-hidden="true"></i>
 
-						</span>
+                        </span>
                         <h3>Organisation interaction</h3>
                         <p>Interact with organisation and explore their technologies and become an asset to their
                             organisation.Sorting organisation according to your tech stack no problem we are here to
@@ -271,7 +271,7 @@ <h3>Certificate Generator</h3>
                     <span>Thoughts &amp; Ideas</span>
                     <h2>GET INVOLVED</h2>
                     <p>Want to become part of our family then 
-			    us.CODEUINO is a friendly and welcoming community.
+                us.CODEUINO is a friendly and welcoming community.
                         Getting involved is a great way to learn skills, have fun, and help to create Free Software.</p>
                 </div>
             </div>
@@ -285,7 +285,8 @@ <h3><a href="#">Join our slack Channel</a></h3>
                                     Don't Wait ,  Connect right now  .
                                     Get united in a common goal  </p>
                         <form>
-	<a href="https://codeuino.slack.com/"><button type="submit" class="btn btn-danger" >JOIN US</button></a>
+    <a href="https://codeuino.slack.com" class="btn btn-danger">Join Us</a>
+  
                         </form>
                     </div>
                 </div>
@@ -309,9 +310,8 @@ <h3><a href="#">Engagement Team</a></h3>
                         <p class="author"><img src="images/slack.png"
                                                alt=" "> Works on marketing, outreach, events and websites. It wants your help!</p>
                         <form>
+<a href="https://codeuino.slack.com" class="btn btn-danger">Join Engagement Team</a>
 
-                            <button type="submit" class="btn btn-danger" 
-onclick="window.location.href='https://codeuino.slack.com/'">Join Engagement Team</button>
                         </form>
                     </div>
                 </div>