renamed directories. added subdirectories images/* to .gitignore

.gitignore

@@ -1 +1,4 @@
 template_education/images/*
+travel_web/images/*
+msc_web/images/*
+fitness_app/images/*

fitness_app/style3.css

@@ -1,7 +1,7 @@
 *{padding: 0; margin: 0;}
 
 #header{
-    background-image: url(images_3/wall1.jpg);
+    background-image: url(images/wall1.jpg);
     height: 80vh;
     background-size: cover;
     background-position: center;

fitness_app/template3.html

@@ -14,7 +14,7 @@
     <!-------------------------------------- header -------------------------------------->
             <section id = "header">
                 <nav class="navbar navbar-light">
-                    <a class="navbar-brand" href="#"><img src="images_3/logo.png"></a>
+                    <a class="navbar-brand" href="#"><img src="images/logo.png"></a>
                     <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                         <i class="fa fa-bars"></i>
                     </button>
@@ -57,7 +57,7 @@
                 <div class="container">
                     <div class="row">
                         <div class="col-md-6 text-center">
-                            <img src="images_3/im1.png" class="img-fluid">
+                            <img src="images/im1.png" class="img-fluid">
                         </div>
                         <div class="col-md-6 text-justify">
                             <h3>Keep calm and gym with us.</h3>