Removed unused scrolling bars in FF #316 #289

src/styles/_content.scss

@@ -13,6 +13,7 @@
 	&::before {
 		content: '';
 		position: absolute;
+		left: 0;
 		width: 100%;
 		height: 1px;
 		border-top: 1px solid white(.02);

src/styles/_message.scss

@@ -204,7 +204,7 @@
 		height: 300px;
 		background-color: black(.4);
 		overflow: hidden;
-		overflow-y: scroll;
+		overflow-y: auto;
 		border-radius: 3px;
 		box-shadow: inset 0 0 3px black(.4);
 	}

src/styles/_sidebar.scss

@@ -66,7 +66,7 @@
 		float: left;
 		height: calc(100% - 49px);
 		width: 300px;
-		overflow: scroll;
+		overflow: auto;
 		-webkit-overflow-scrolling: touch;
 	}