added a new icon, gui cleanup

app/src/main/java/org/mosad/seil0/projectlaogai/MainActivity.kt

@@ -130,9 +130,6 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
             }
             R.id.nav_moodle -> {
 
-            }
-            R.id.nav_email -> {
-
             }
             R.id.nav_settings -> {
                 val settingsFragment = SettingsFragment()

app/src/main/java/org/mosad/seil0/projectlaogai/uicomponents/LessonCardView.kt

@@ -40,7 +40,7 @@ class LessonCardView  @JvmOverloads constructor(context: Context, attrs: Attribu
         txtViewTime = findViewById(R.id.txtView_Time)
 
         // workaround to prevent a white border
-        this.setBackgroundColor(Color.parseColor("#3F51B5"))
+        this.setBackgroundColor(Color.TRANSPARENT)
     }
 
     fun getTxtViewLesson(): TextView {