diff --git a/alplora/static/alplora/css/alplora.css b/alplora/static/alplora/css/alplora.css
index a3629eb2..7fc5f3c2 100755
--- a/alplora/static/alplora/css/alplora.css
+++ b/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%;
}
diff --git a/alplora/static/alplora/img/banner-1.jpg b/alplora/static/alplora/img/banner-1.jpg
deleted file mode 100644
index 5a96bf1a..00000000
Binary files a/alplora/static/alplora/img/banner-1.jpg and /dev/null differ
diff --git a/alplora/static/alplora/img/banner-1.png b/alplora/static/alplora/img/banner-1.png
new file mode 100644
index 00000000..d5b9103b
Binary files /dev/null and b/alplora/static/alplora/img/banner-1.png differ
diff --git a/alplora/static/alplora/img/banner-2.jpg b/alplora/static/alplora/img/banner-2.jpg
deleted file mode 100644
index 43f7be9f..00000000
Binary files a/alplora/static/alplora/img/banner-2.jpg and /dev/null differ
diff --git a/alplora/static/alplora/img/banner-2.png b/alplora/static/alplora/img/banner-2.png
new file mode 100644
index 00000000..0559761e
Binary files /dev/null and b/alplora/static/alplora/img/banner-2.png differ
diff --git a/alplora/static/alplora/img/banner-3.jpg b/alplora/static/alplora/img/banner-3.jpg
deleted file mode 100644
index 768efa1d..00000000
Binary files a/alplora/static/alplora/img/banner-3.jpg and /dev/null differ
diff --git a/alplora/static/alplora/img/banner-3.png b/alplora/static/alplora/img/banner-3.png
new file mode 100644
index 00000000..c4385452
Binary files /dev/null and b/alplora/static/alplora/img/banner-3.png differ
diff --git a/alplora/static/alplora/img/banner-4.jpg b/alplora/static/alplora/img/banner-4.jpg
deleted file mode 100644
index 7bdb138e..00000000
Binary files a/alplora/static/alplora/img/banner-4.jpg and /dev/null differ
diff --git a/alplora/static/alplora/img/banner-4.png b/alplora/static/alplora/img/banner-4.png
new file mode 100644
index 00000000..0ca41e37
Binary files /dev/null and b/alplora/static/alplora/img/banner-4.png differ
diff --git a/alplora/templates/alplora/index.html b/alplora/templates/alplora/index.html
index 07f8ea86..69d7347e 100644
--- a/alplora/templates/alplora/index.html
+++ b/alplora/templates/alplora/index.html
@@ -115,10 +115,10 @@