diff --git a/docs/index.html b/docs/index.html
index 3880295..6b26a96 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -65,6 +65,7 @@
                         <a class="dropdown-item" href="#3-sem">3 Semester</a>
                         <a class="dropdown-item" href="#4-sem">4 Semester</a>
                         <a class="dropdown-item" href="#5-sem">5 Semester</a>
+                        <a class="dropdown-item" href="#6-sem">6 Semester</a>
                     </div>
                 </li>
                 <li class="nav-item dropdown">
@@ -109,7 +110,7 @@
                 <li class="nav-item dropdown">
                     <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button"
                         data-toggle="dropdown" aria-expanded="false">
-                        Color
+                        Theme
                     </a>
                     <div class="dropdown-menu" aria-labelledby="navbarDropdown">
                         <a class="dropdown-item" href="#" onclick="changeColor('autumn')"><i
@@ -179,16 +180,15 @@ <h2>Introduction</h2>
     <section id="1-sem">
         <div class="container mt-5">
             <div class="semester-box">
-                <h2>1 Semester</h2>
-                <br>
+                <h2>1 Semester</h2><br>
                 <div class="row">
                     <div class="col-md-4">
                         <div class="card">
                             <div class="card-body">
-                                <h5 class="card-title"><i class="fas fa-calculator"></i>
-                                    Engineering Mathematics I</h5><br>
-                                <p class="card-text">Mathematical foundations and techniques for
-                                    engineering problems.</p>
+                                <h5 class="card-title"><i class="fas fa-calculator"></i> Engineering Mathematics I</h5>
+                                <br>
+                                <p class="card-text">Mathematical foundations and techniques for engineering problems.
+                                </p>
                                 <a href="https://github.com/madhurimarawat/Semester-Notes/tree/main/1 SEMESTER/Engineering-Mathematics-I"
                                     target="_blank" class="tool-button">View Notes</a>
                             </div>
@@ -197,10 +197,8 @@ <h5 class="card-title"><i class="fas fa-calculator"></i>
                     <div class="col-md-4">
                         <div class="card">
                             <div class="card-body">
-                                <h5 class="card-title"><i class="fas fa-leaf"></i> Environmental
-                                    Science</h5><br>
-                                <p class="card-text">Study of the environment and how to protect
-                                    it.</p>
+                                <h5 class="card-title"><i class="fas fa-leaf"></i> Environmental Science</h5><br>
+                                <p class="card-text">Study of the environment and how to protect it.</p>
                                 <a href="https://github.com/madhurimarawat/Semester-Notes/tree/main/1 SEMESTER/Environmental-Science"
                                     target="_blank" class="tool-button">View Notes</a>
                             </div>
@@ -209,26 +207,23 @@ <h5 class="card-title"><i class="fas fa-leaf"></i> Environmental
                     <div class="col-md-4">
                         <div class="card">
                             <div class="card-body">
-                                <h5 class="card-title"><i class="fas fa-microchip"></i>
-                                    Foundations of Electronics Engineering</h5>
-                                <p class="card-text">Basics of electronics engineering and its
-                                    applications.</p>
+                                <h5 class="card-title"><i class="fas fa-microchip"></i> Foundations of Electronics
+                                    Engineering</h5>
+                                <p class="card-text">Basics of electronics engineering and its applications.</p>
                                 <a href="https://github.com/madhurimarawat/Semester-Notes/tree/main/1 SEMESTER/Foundations-of-Electronics-Engineering"
                                     target="_blank" class="tool-button">View Notes</a>
                             </div>
                         </div>
                     </div>
                 </div>
-                <br>
                 <div class="row">
                     <!-- Additional subjects for 1st semester -->
                     <div class="col-md-4">
                         <div class="card">
                             <div class="card-body">
-                                <h5 class="card-title"><i class="fas fa-dna"></i> Fundamentals
-                                    of Computational Biology</h5>
-                                <p class="card-text">Introduction to computational techniques in
-                                    biology.</p>
+                                <h5 class="card-title"><i class="fas fa-dna"></i> Fundamentals of Computational Biology
+                                </h5>
+                                <p class="card-text">Introduction to computational techniques in biology.</p>
                                 <a href="https://github.com/madhurimarawat/Semester-Notes/tree/main/1 SEMESTER/Fundamentals-of-Computational-Biology"
                                     target="_blank" class="tool-button">View Notes</a>
                             </div>
@@ -237,10 +232,8 @@ <h5 class="card-title"><i class="fas fa-dna"></i> Fundamentals
                     <div class="col-md-4">
                         <div class="card">
                             <div class="card-body">
-                                <h5 class="card-title"><i class="fas fa-pen"></i> Language and
-                                    Writing Skills</h5><br>
-                                <p class="card-text">Developing proficiency in language and
-                                    writing.</p>
+                                <h5 class="card-title"><i class="fas fa-pen"></i> Language and Writing Skills</h5><br>
+                                <p class="card-text">Developing proficiency in language and writing.</p>
                                 <a href="https://github.com/madhurimarawat/Semester-Notes/tree/main/1 SEMESTER/Language-and-Writing-Skills"
                                     target="_blank" class="tool-button">View Notes</a>
                             </div>
@@ -249,26 +242,26 @@ <h5 class="card-title"><i class="fas fa-pen"></i> Language and
                     <div class="col-md-4">
                         <div class="card">
                             <div class="card-body">
-                                <h5 class="card-title"><i class="fas fa-code"></i> Learning
-                                    Programming Concepts With C</h5>
-                                <p class="card-text">Introduction to programming concepts using
-                                    the C language.</p>
+                                <h5 class="card-title"><i class="fas fa-code"></i> Learning Programming Concepts With C
+                                </h5>
+                                <p class="card-text">Introduction to programming concepts using the C language.</p>
                                 <a href="https://github.com/madhurimarawat/Semester-Notes/tree/main/1 SEMESTER/Learning-Programming-Concepts-With-C"
-                                    target="_blank" class="tool-button">View Notes</a>&nbsp;
+                                    target="_blank" class="tool-button">View Notes</a>
                                 <a href="https://github.com/madhurimarawat/Learning-Programming-Concepts-With-C"
                                     target="_blank" class="tool-button_2">View Labwork</a>
                             </div>
                         </div>
                     </div>
                 </div>
-                <br>
                 <div class="row" id="contentRow_1">
                     <!-- Additional subjects for 1st semester -->
                     <div class="col-md-4">
                         <div class="card">
                             <div class="card-body">
-                                <h5><i class="fas fa-handshake"></i> Professional Ethics and Life Skills</h5>
-                                <p>Understanding professional ethics and developing life skills.</p>
+                                <h5 class="card-title"><i class="fas fa-handshake"></i> Professional Ethics and Life
+                                    Skills
+                                </h5>
+                                <p class="card-text">Understanding professional ethics and developing life skills.</p>
                                 <a href="https://github.com/madhurimarawat/Semester-Notes/tree/main/1 SEMESTER/Professional-Ethics-and-Life-Skills"
                                     target="_blank" class="tool-button">View Notes</a>
                             </div>
@@ -322,7 +315,7 @@ <h5><i class="fas fa-square-root-alt"></i> Engineering Mathematics II</h5>
                         </div>
                     </div>
                 </div>
-                <br>
+
                 <div class="row">
                     <!-- Additional subjects for 2nd semester -->
                     <div class="col-md-4">
@@ -410,7 +403,6 @@ <h5><i class="fas fa-database"></i> Database Management System</h5>
                         </div>
                     </div>
                 </div>
-                <br>
                 <div class="row">
                     <!-- Additional subjects for 3rd semester -->
                     <div class="col-md-4">
@@ -500,7 +492,6 @@ <h5 class="card-title"><i class="fas fa-chart-line"></i> Data
                         </div>
                     </div>
                 </div>
-                <br>
                 <div class="row">
                     <!-- Additional subjects for 4th semester -->
                     <div class="col-md-4">
@@ -592,7 +583,6 @@ <h5 class="card-title"><i class="fas fa-database"></i>
                         </div>
                     </div>
                 </div>
-                <br>
                 <div class="row">
                     <!-- Additional subjects for 5th semester -->
                     <div class="col-md-4">
@@ -643,7 +633,7 @@ <h5 class="card-title"><i class="fas fa-tasks"></i> Vocational
     </section>
 
     <!-- 1st Semester -->
-    <section id="1-sem">
+    <section id="6-sem">
         <div class="container mt-5">
             <div class="semester-box">
                 <h2>6 Semester</h2>