diff --git a/content/style.css b/content/style.css
index c3d02ba..15844c8 100644
--- a/content/style.css
+++ b/content/style.css
@@ -1,64 +1,58 @@
 /* optimized for desktop users */
 @media only screen and (min-width: 721px) {
-	.container{
-		display: grid;
-		grid-template-columns: repeat(3, 1fr);
-		grid-template-rows: 100px;
-		grid-template-columns: 1fr 1fr 1fr;
-		grid-auto-rows: minmax(100px, auto);
-	}	
-
-	div.item-1 {
-		grid-column: 2 / 3;
-		grid-row: 1;
-	}
-	
-	div.item-2 {
-		grid-column: 2 / 3;
-		grid-row: 2;
-	}
-	
-	div.item-3 {
-		grid-column: 2 / 3;
-		grid-row: 3;
-	}
+  .container{
+    display: grid;
+    grid-template-columns: repeat(3, 1fr);
+    grid-template-rows: 100px;
+    grid-template-columns: 1fr 1fr 1fr;
+    grid-auto-rows: minmax(100px, auto);
+  }
+  div.item-1 {
+    grid-column: 2 / 3;
+    grid-row: 1;
+  }
+  div.item-2 {
+    grid-column: 2 / 3;
+    grid-row: 2;
+  }
+  div.item-3 {
+    grid-column: 2 / 3;
+    grid-row: 3;
+  }
 }
 
 /* optimized for mobile users */
 @media only screen and (max-width: 720px) {
-	.container{
-		display: grid;
-		grid-template-columns: repeat(1, 1fr);
-		grid-template-rows: 100px;
-		grid-template-columns: 1fr;
-		grid-auto-rows: minmax(100px, auto);
-	}	
-
-	div.item-1 {
-		grid-column: 1 / 1;
-		grid-row: 1;
-	}
-	
-	div.item-2 {
-		grid-column: 1 / 1;
-		grid-row: 2;
-	}
-	
-	div.item-3 {
-		grid-column: 1 / 1;
-		grid-row: 3;
-	}
+  .container{
+    display: grid;
+    grid-template-columns: repeat(1, 1fr);
+    grid-template-rows: 100px;
+    grid-template-columns: 1fr;
+    grid-auto-rows: minmax(100px, auto);
+  }
+  div.item-1 {
+    grid-column: 1 / 1;
+    grid-row: 1;
+  }
+  div.item-2 {
+    grid-column: 1 / 1;
+    grid-row: 2;
+  }
+  div.item-3 {
+    grid-column: 1 / 1;
+    grid-row: 3;
+  }
 }
 
 div.round-border {
-	border: 1px solid;
-	padding: 0.01em 16px;
-	border-radius: 16px;
+  border: 1px solid;
+  padding: 0.01em 16px;
+  border-radius: 16px;
 }
 
 body {
- background-color:#feffef;
- color:#00000;
+  background-color:#feffef;
+  color:#00000;
 }
 
 
@@ -74,12 +68,22 @@ pre {
   font-size:              11pt;
   font-family:            monospace;
 }
-
 pre.commandLine {
   background-color:       #2E3436;
   color:                  #C3F097;
 }
-
+/* in-line code block */
+span.codeBlockInText{
+  background-color:       white;
+  border-color:           black;
+  border-style:           solid;
+  border-width:           1px;
+  font-size:              11pt;
+  font-family:            monospace;
+  padding-left:           5px;
+  padding-right:          5px;
+}
+/* code highlighting */
 span.structure {
   color:                  #FCAF3E;
   font-weight:            bold;
@@ -92,7 +96,6 @@ span.className {
   color:                  #8AE234;
   font-weight:            bold;
 }
-
 span.type {
   color:                  #729FCF;
 }
@@ -108,14 +111,3 @@ span.name {
 span.comment {
   color:                  #888A85;
 }
-/* in-line code block */
-span.codeBlockInText{
-  background-color:       white;
-  border-color:           black;
-  border-style:           solid;
-  border-width:           1px;
-  font-size:              11pt;
-  font-family:            monospace;
-  padding-left:           5px;
-  padding-right:          5px;
-}
\ No newline at end of file