diff --git a/11-flexbox/baseline-alignments.html b/11-flexbox/baseline-alignments.html
index e9da61a..db0cfdc 100755
--- a/11-flexbox/baseline-alignments.html
+++ b/11-flexbox/baseline-alignments.html
@@ -58,8 +58,7 @@
 
 
 .e:before,
-.f:before,
-.k:before {
+.f:before {
   content: '';
   position: absolute;
   left: 0; right: 0;
@@ -67,8 +66,7 @@
   height: 1px; 
 }
 .e:after,
-.f:after,
-.k:after {
+.f:after {
   content: '';
   position: absolute;
   left: 0; right: 0;
@@ -152,4 +150,4 @@
 </figure>
 
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/11-flexbox/power-grid-layout.html b/11-flexbox/power-grid-layout.html
index 97bbb5f..f869048 100755
--- a/11-flexbox/power-grid-layout.html
+++ b/11-flexbox/power-grid-layout.html
@@ -13,7 +13,7 @@
   font-family: "Myriad Pro",Myriad,"Liberation Sans","Nimbus Sans L","Helvetica Neue";
 }  
 * { 
-  cmargin: 10px;
+  margin: 10px;
   padding: 10px;
 }  
 nav {