Fixed, add images covers and text

alplora/static/alplora/css/alplora.css

@@ -137,7 +137,7 @@ h6 {
 }
 
 .intro-login {
-    background: url(../img/banner-4.jpg) no-repeat center center;
+    background: url(../img/banner-4.png) no-repeat center center;
     background-size: cover;
     height: 100%;
 }

alplora/templates/alplora/index.html

@@ -115,10 +115,10 @@
 <a name="about"></a>
 <section class="intro-header" id="home">
      <!-- Add images backgrounds url(url-image); -->
-     <div class="background bg-slide" style="background-image: url({% static 'alplora/img/banner-1.jpg' %});"></div>
-     <div class="background bg-slide" style="background-image: url({% static 'alplora/img/banner-2.jpg' %});"></div>
-     <div class="background bg-slide" style="background-image: url({% static 'alplora/img/banner-3.jpg' %});"></div>
-     <div class="background bg-slide" style="background-image: url({% static 'alplora/img/banner-4.jpg' %});"></div>
+     <div class="background bg-slide" style="background-image: url({% static 'alplora/img/banner-1.png' %});"></div>
+     <div class="background bg-slide" style="background-image: url({% static 'alplora/img/banner-2.png' %});"></div>
+     <div class="background bg-slide" style="background-image: url({% static 'alplora/img/banner-3.png' %});"></div>
+     <div class="background bg-slide" style="background-image: url({% static 'alplora/img/banner-4.png' %});"></div>
 
      <div class="intro-message">
 
@@ -246,9 +246,9 @@
       <div class="col-md-4 col-sm-6 text-center portfolio-item wow fadeInDown" data-wow-delay="1s">
         <img src="{% static 'alplora/img/lora.png'%}" class="img-responsive inline-block" alt="">
         <div class="portfolio-caption inline-block">
-          <h4>LoraWAN</h4>
+          <h4>Energy Efficient</h4>
           <p>&nbsp;</p>
-          <p class="team-member">{% trans 'Alplora uses the latest LoraWAN technology for efficient and secure tracking.' %}</p>
+          <p class="team-member">{% trans 'Alplora uses the latest wireless technology, our batteries last the whole alp season.' %}</p>
         </div>
       </div>
       <div class="col-md-4 col-sm-6 text-center portfolio-item wow fadeInDown" data-wow-delay="1.5s">