Change Photo viewer controls and ButtonCircle

src/style/pages/_viewer-photo.scss

@@ -295,6 +295,33 @@
 
         button {
             pointer-events: auto;
+
+            // Prev button
+            &:first-child {
+                & > *:nth-child(2) {
+                    transform: translate3d(100%, -50%, 0) rotate(180deg);
+                }
+
+                // Hover
+                &:not([disabled]):hover {
+                    & > *:nth-child(1) {
+                        transform: translate3d(-20%, 0, 0) rotate(180deg);
+                    }
+                    & > *:nth-child(2) {
+                        transform: translate3d(-50%, -50%, 0) rotate(180deg);
+                    }
+                }
+            }
+
+            // Hover
+            &:not([disabled]):hover {
+                background-color: $color-secondary;
+                color: #fff;
+
+                svg:nth-child(2) {
+                    color: #fff;
+                }
+            }
         }
     }
 }