diff --git a/app/assets/stylesheets/chapters.css.scss b/app/assets/stylesheets/chapters.css.scss
index 928f7f39..1f631de5 100644
--- a/app/assets/stylesheets/chapters.css.scss
+++ b/app/assets/stylesheets/chapters.css.scss
@@ -15,11 +15,14 @@
     img {
       width: 50%;
       margin-bottom: 1.5em;
-      opacity: 0.35;
-      -webkit-filter: grayscale(75%);
-      &:hover{
-        opacity: 1;
-        -webkit-filter: grayscale(0%);
+      opacity: 1;
+      -webkit-filter: grayscale(0%);
+      &:hover, &:focus {
+        -webkit-transform: rotate(-10deg);
+        -moz-transform: rotate(-10deg);
+        -o-transform: rotate(-10deg);
+        -ms-transform: rotate(-10deg);
+        transform: rotate(-10deg);
       }
     }
     .subtitle {