Make scrollbars in Chrome a bit wider (#144)

src/sass/components/_scrollbars.scss

@@ -1,7 +1,7 @@
 // TODO: Prefixes
 
 ::-webkit-scrollbar {
-    width: 5px;
+    width: 8px;
     background-color: #fcfcfc;
     border: 1px solid #f9f9f9;
 }

src/sass/sections/_conversation.scss

@@ -63,7 +63,7 @@
         align-self: flex-end;
         height: 0;
         position: relative;
-        right: 8px;
+        right: 16px;
         bottom: 8px + $scrolljump-height;
         z-index: 15;
         outline: none;