Minor fixes

src/page/about/about.scss

@@ -16,6 +16,7 @@
     img {
       @include square($img-size);
       border-radius: 100%;
+      cursor: pointer;
     }
 
     p {

src/page/image-viewer/image-viewer.scss

@@ -5,23 +5,24 @@
     @include center-children();
     display: none;
     position: fixed;
-    width: 100%;
-    height: 100%;
     left: 0;
     top: 0;
+    width: 100%;
+    height: 100%;
     margin: 0;
     z-index: 2;
     background-color: rgba(0, 0, 0, 0.85);
 
-    @include on-large-screen {
-      #container > * {
+    #container > * {
+      width: auto;
+      height: auto;
+
+      @include on-large-screen {
         max-width: 80vw;
         max-height: 80vh;
       }
-    }
 
-    @include on-small-screen {
-      #container > * {
+      @include on-small-screen {
         max-width: 95vw;
         max-height: 95vh;
       }