diff --git a/computer-science-blog/css/presentation-imports.css b/computer-science-blog/css/presentation-imports.css
index 84629cc..07b90c4 100644
--- a/computer-science-blog/css/presentation-imports.css
+++ b/computer-science-blog/css/presentation-imports.css
@@ -30,7 +30,7 @@ img {
 }
 @media screen and (max-width: 600px) {
 	img {
-		width: 100%;
+		width: calc(100% - 15px);
 	}
 }
 
diff --git a/computer-science-blog/css/presentation-imports.css~ b/computer-science-blog/css/presentation-imports.css~
deleted file mode 100644
index 23af745..0000000
--- a/computer-science-blog/css/presentation-imports.css~
+++ /dev/null
@@ -1,18 +0,0 @@
-html, body {
-    font-family: 'Roboto';
-    background: transparent;
-}
-img {
-	width: 70%;
-	box-shadow: 3px 3px 6px 2px rgba(10,10,10,0.5);
-	margin: 10px;
-	border-radius: 6px;
-}
-
-/* revert changes made by Bootstrap */
-p {
-	margin: 0;
-}
-h1, h2, h3, .h1, .h2, .h3 {
-	margin-top: 0;
-}