Style scrollbar

static/style/main.scss

@@ -177,6 +177,28 @@ footer {
   border-radius: .2em;
 }
 
+
+::-webkit-scrollbar {
+  width: .5rem;
+
+  &-button {
+    display: none;
+  }
+
+  &-track {
+    background-color: $base;
+  }
+
+  &-thumb {
+    background-color: $overlay0;
+    border-radius: .25rem;
+
+    &:hover {
+      background-color: $overlay1;
+    }
+  }
+}
+
 @font-face {
   font-family: Monocraft;
   src: url("/static/font/Monocraft.ttc");