diff --git a/app/assets/stylesheets/seminar/background_style/1/css/background.css b/app/assets/stylesheets/seminar/background_style/1/css/background.css
index 79d9e36c..fb68804c 100644
--- a/app/assets/stylesheets/seminar/background_style/1/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/1/css/background.css
@@ -14,6 +14,12 @@ body, .layout-footer, .layout-footer-inner {
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/10/css/background.css b/app/assets/stylesheets/seminar/background_style/10/css/background.css
index 5f0806e1..1bd832ef 100644
--- a/app/assets/stylesheets/seminar/background_style/10/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/10/css/background.css
@@ -26,6 +26,12 @@ header{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/10/logo.jpg b/app/assets/stylesheets/seminar/background_style/10/logo.jpg
new file mode 100644
index 00000000..77138b06
Binary files /dev/null and b/app/assets/stylesheets/seminar/background_style/10/logo.jpg differ
diff --git a/app/assets/stylesheets/seminar/background_style/11/css/background.css b/app/assets/stylesheets/seminar/background_style/11/css/background.css
index 5f5c25af..b1cb115c 100644
--- a/app/assets/stylesheets/seminar/background_style/11/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/11/css/background.css
@@ -21,6 +21,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/12/css/background.css b/app/assets/stylesheets/seminar/background_style/12/css/background.css
index 9b2ec1a4..45d46088 100644
--- a/app/assets/stylesheets/seminar/background_style/12/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/12/css/background.css
@@ -24,6 +24,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/13/css/background.css b/app/assets/stylesheets/seminar/background_style/13/css/background.css
index 5ce2102d..510d4410 100644
--- a/app/assets/stylesheets/seminar/background_style/13/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/13/css/background.css
@@ -24,6 +24,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/13/logo.jpg b/app/assets/stylesheets/seminar/background_style/13/logo.jpg
new file mode 100644
index 00000000..78eb1cb6
Binary files /dev/null and b/app/assets/stylesheets/seminar/background_style/13/logo.jpg differ
diff --git a/app/assets/stylesheets/seminar/background_style/14/css/background.css b/app/assets/stylesheets/seminar/background_style/14/css/background.css
index ae44d3e9..1ae57cfa 100644
--- a/app/assets/stylesheets/seminar/background_style/14/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/14/css/background.css
@@ -28,6 +28,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/15/css/background.css b/app/assets/stylesheets/seminar/background_style/15/css/background.css
index fffa9a18..bf275e94 100644
--- a/app/assets/stylesheets/seminar/background_style/15/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/15/css/background.css
@@ -25,6 +25,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/16/css/background.css b/app/assets/stylesheets/seminar/background_style/16/css/background.css
index 87e27050..81d0f6c5 100644
--- a/app/assets/stylesheets/seminar/background_style/16/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/16/css/background.css
@@ -25,6 +25,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/17/css/background.css b/app/assets/stylesheets/seminar/background_style/17/css/background.css
index 83d4a003..e6efe514 100644
--- a/app/assets/stylesheets/seminar/background_style/17/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/17/css/background.css
@@ -27,6 +27,12 @@ header{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/2/css/background.css b/app/assets/stylesheets/seminar/background_style/2/css/background.css
index 15abb605..ef8ab722 100644
--- a/app/assets/stylesheets/seminar/background_style/2/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/2/css/background.css
@@ -21,6 +21,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/3/css/background.css b/app/assets/stylesheets/seminar/background_style/3/css/background.css
index 065239f9..6e7077dc 100644
--- a/app/assets/stylesheets/seminar/background_style/3/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/3/css/background.css
@@ -31,6 +31,12 @@ header{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/4/css/background.css b/app/assets/stylesheets/seminar/background_style/4/css/background.css
index 4b6df1c2..1ba5fc95 100644
--- a/app/assets/stylesheets/seminar/background_style/4/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/4/css/background.css
@@ -20,6 +20,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/5/css/background.css b/app/assets/stylesheets/seminar/background_style/5/css/background.css
index 5f04cdfa..50b35ef2 100644
--- a/app/assets/stylesheets/seminar/background_style/5/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/5/css/background.css
@@ -23,6 +23,12 @@ header{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/6/css/background.css b/app/assets/stylesheets/seminar/background_style/6/css/background.css
index 59d3d3f0..188e5b74 100644
--- a/app/assets/stylesheets/seminar/background_style/6/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/6/css/background.css
@@ -25,6 +25,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/7/css/background.css b/app/assets/stylesheets/seminar/background_style/7/css/background.css
index 12cec219..a98424d1 100644
--- a/app/assets/stylesheets/seminar/background_style/7/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/7/css/background.css
@@ -27,6 +27,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/8/css/background.css b/app/assets/stylesheets/seminar/background_style/8/css/background.css
index 0bf0c89d..e459442d 100644
--- a/app/assets/stylesheets/seminar/background_style/8/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/8/css/background.css
@@ -29,6 +29,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/background_style/9/css/background.css b/app/assets/stylesheets/seminar/background_style/9/css/background.css
index 8e04fe0f..af312994 100644
--- a/app/assets/stylesheets/seminar/background_style/9/css/background.css
+++ b/app/assets/stylesheets/seminar/background_style/9/css/background.css
@@ -27,6 +27,12 @@ body{
 .body-banner{
 	padding: 0;
 }
+.body-banner img{
+	width: 100%;
+}
+.mainContent{
+	background: #ffffff;
+}
 .row{
 	margin: 0;
 }
diff --git a/app/assets/stylesheets/seminar/content_style/1/css/template.css b/app/assets/stylesheets/seminar/content_style/1/css/template.css
index 775b9486..6b63fc6b 100644
--- a/app/assets/stylesheets/seminar/content_style/1/css/template.css
+++ b/app/assets/stylesheets/seminar/content_style/1/css/template.css
@@ -71,6 +71,11 @@ li.w-annc__item.row > *:last-child {
 		padding: 1em;
 	}
 }
+@media (min-width: 768px){
+	.row > .layout-content.col-sm-9{
+		padding-right: 0;
+	}
+}
 [data-pp="200"]{
 	padding: 0 0.9375em;
 }
\ No newline at end of file