diff --git a/app/core/Database.php b/app/core/Database.php
index ca56d09fa64220310d738e63376377ab285f34ae..335b13fee38212b9d6732830b392add9bc0cb1c2 100644
--- a/app/core/Database.php
+++ b/app/core/Database.php
@@ -10,15 +10,9 @@
         private $stmt;
         public function __construct(){
             $dsn = "pgsql:host=" . $this->host . ";dbname=" . $this->db . ";user=" . $this->username . ";password=" . $this->password;  
-            $option = [
-                PDO::ATTR_PERSISTENT => true,
-                PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
-            ];
             try {
-                //code...
                 $this->connection = new PDO($dsn);        
             } catch (PDOException $e) {
-                //throw $th;
                 echo $e->getMessage();
             }
             
diff --git a/app/views/admin/courses.php b/app/views/admin/courses.php
index 45a2166d777bca7c195f6bc2c8411c5c1a9be4e0..772865d18fbe13d1626dc427735666a3c2e747dd 100644
--- a/app/views/admin/courses.php
+++ b/app/views/admin/courses.php
@@ -32,7 +32,7 @@
 				<div class="report-header">
 					<h1 class="recent-Articles">Courses List</h1>
                     <div class="header-button">
-                        <button class="add-user"><a href="/admin/addcourse">Add Course</a></button>
+                        <button class="add-user"><a href="/admin/addcourse" style="text-decoration:none">Add Course</a></button>
                     </div>
 				</div>
                 
diff --git a/app/views/admin/editCourse.php b/app/views/admin/editCourse.php
index 47aab165c0c354ca1bc3e7994996bb7f958bcc74..46da036c784ed9df8f21ba55e6d178709656a3d4 100644
--- a/app/views/admin/editCourse.php
+++ b/app/views/admin/editCourse.php
@@ -68,7 +68,7 @@
                     id="password-input" 
                     class="login-input"
                     required
-                    value = <?php echo ($data["course"]["course_password"] && $data["course"]["course_password"]) ?>
+                    value = <?php echo $data["course"]["course_password"]?>
                 ></input>
             </div>
             <div class="login-box">
@@ -84,7 +84,7 @@
                 </label>
             </div>
             <div class="button-container">
-                <button id = "back-button" class="back-btn"><a href="/admin/courses">Back</a></button>
+                <button id = "back-button" class="back-btn"><a href="/admin/courses" style="text-decoration:none;color:black">Back</a></button>
                 <button type="submit" class="update-btn" id="action-button">Update</button>
             </div>
         </form>
diff --git a/app/views/admin/editUser.php b/app/views/admin/editUser.php
index d076130557acd1892431baae2633e16da7af5d95..a3d9ade4f907e660bdc6bbf870f040b6fef8ff28 100644
--- a/app/views/admin/editUser.php
+++ b/app/views/admin/editUser.php
@@ -65,7 +65,7 @@
             </div>
             <p id="username-alert"></p>
             <div class="button-container">
-                <button id = "back-button" class="back-btn"><a href="/admin/users" style="text-decoration:none">Back</a></button>
+                <button id = "back-button" class="back-btn"><a href="/admin/users" style="text-decoration:none;color:black">Back</a></button>
                 <button type="submit" class="update-btn" id="update-button">Update</button>
             </div>
         </form>
diff --git a/app/views/admin/users.php b/app/views/admin/users.php
index 884826d4312af9fff96ef2052b12ac110e69ab7a..e9e22443b42d68bfd2a53d40a216f74acf1159cf 100644
--- a/app/views/admin/users.php
+++ b/app/views/admin/users.php
@@ -32,7 +32,7 @@
 				<div class="report-header">
 					<h1 class="recent-Articles">Users List</h1>
                     <div class="header-button">
-                        <button class="add-user"><a href="/admin/register">Add User</a></button>
+                        <button class="add-user"><a href="/admin/register" style="text-decoration:none">Add User</a></button>
                     </div>
 				</div>