diff --git a/ts/sass/_base.scss b/ts/sass/_base.scss
new file mode 100644
index 000000000..226db3e55
--- /dev/null
+++ b/ts/sass/_base.scss
@@ -0,0 +1,15 @@
+@use 'vars';
+
+$body-color: var(--text-fg);
+$body-bg: var(--window-bg);
+$font-weight-base: 500;
+
+$link-hover-color: var(--link);
+$link-hover-decoration: none;
+
+@import 'ts/node_modules/bootstrap/scss/bootstrap-reboot';
+@import 'ts/node_modules/bootstrap/scss/bootstrap-utilities';
+
+body {
+    overscroll-behavior: none;
+}