diff --git a/src/_base.scss b/src/_base.scss
index eed03cc..28d5acd 100644
--- a/src/_base.scss
+++ b/src/_base.scss
@@ -51,9 +51,17 @@ $color-ternary-70: #8B0046;
 $color-ternary-60: #720033;
 $color-ternary-50: #5A0022;
 
+$border-default-color: $greyscale-90;
+$border-big-width: 4px;
+$border-big: solid $border-big-width $border-default-color;
+$border-normal-width: 2px;
+$border-normal: solid $border-normal-width $border-default-color;
+
+
 $form-max-height: 1024px;
 $form-aspect-ratio: 1/1.618;
 
+// TODO: Radius should be a percentage(eg: 1024/16px).
 $border-radius: 16px;
 
 $geist-font-path: "../fonts/Geist";