diff --git a/examples/example-leibniz.md b/examples/example-leibniz.md
index 46b33f7..38ddd78 100644
--- a/examples/example-leibniz.md
+++ b/examples/example-leibniz.md
@@ -189,7 +189,8 @@ $$c=\sqrt{\frac{1}{\mu \epsilon}}$$
 <div class="columns-center">
 <div>         
  
-![h:450px](https://d1w7fb2mkkr3kw.cloudfront.net/assets/images/book/lrg/9780/4715/9780471555681.jpg)
+![h:450px](../img/kleinrock.jpg)
+![h:450px]()
    
 </div>
 <div>
@@ -206,7 +207,7 @@ $$c=\sqrt{\frac{1}{\mu \epsilon}}$$
 <div class="columns-center" align="center">
 <div>         
  
-![h:450px](https://d1w7fb2mkkr3kw.cloudfront.net/assets/images/book/lrg/9780/4715/9780471555681.jpg)
+![h:450px](../img/kleinrock.jpg)
 <figcaption>
 <b>Figure</b>: Kleinrock, Gail (1979).
 </figcaption>
diff --git a/examples/example-weber.md b/examples/example-weber.md
index 4326a62..2f6f242 100644
--- a/examples/example-weber.md
+++ b/examples/example-weber.md
@@ -323,13 +323,6 @@ Transition Slide 2<br> _Aditional_ **Text**
 
 ---
 
-<!-- _class: transition2 -->
-
-**THANK YOU!**
-
-![bg opacity:.85](https://i.ytimg.com/vi/GMfYG6RJ-jk/maxresdefault.jpg)
-
----
 
 <!-- _class: biblio -->
 
diff --git a/img/kleinrock.jpg b/img/kleinrock.jpg
new file mode 100644
index 0000000..b3753d8
Binary files /dev/null and b/img/kleinrock.jpg differ
diff --git a/style/copernico.css b/style/copernico.css
index c13e174..995d080 100644
--- a/style/copernico.css
+++ b/style/copernico.css
@@ -45,6 +45,7 @@
     */
     
     background-color: rgb(220, 220, 220);
+    --cool-list-color: rgb(119, 144, 199)
 }
 
 
@@ -54,6 +55,8 @@ section h1 {
     font-weight: 500;
     color: rgb(8, 25, 76);
     letter-spacing: -1.25px;
+    border-bottom: 1px solid rgb(87, 117, 145) !important;
+
 
 }
 
diff --git a/style/schema.css b/style/schema.css
index 8800a96..a394c24 100644
--- a/style/schema.css
+++ b/style/schema.css
@@ -97,6 +97,5 @@ section.titlepage {
 /* ------------------- CITE -----------------------------*/
 section.cite {
     --background-color: #fdf6e3;
-    ;
     --strong-color: rgb(182, 112, 27);
 }
\ No newline at end of file
diff --git a/style/structure.css b/style/structure.css
index 669fb33..17628a6 100644
--- a/style/structure.css
+++ b/style/structure.css
@@ -273,7 +273,6 @@ section.titlepage .title {
   border-bottom: 1px solid var(--border-color);
   line-height: 1.25;
   padding-bottom: 15px;
-  /* padding-right: 10%; */
 }
 
 section.titlepage .subtitle {