value to variable

Client/src/Components/Dashboard/DashboardSidebar/index.css

@@ -1,5 +1,5 @@
 .dashboard-sidebar {
-  height: calc(100vh - var(--env-var-spacing-5));
+  height: calc(100vh - var(--env-var-nav-bar-height));
   width: 250px;
   border: 1px solid var(--color-border-0);
   border-top: none;

Client/src/index.css

@@ -59,6 +59,8 @@
   --env-var-height-1: 100vh;
   --env-var-height-2: 34px;
 
+  --env-var-nav-bar-height: 65px;
+
   --env-var-spacing-1: 12px;
   --env-var-spacing-1-plus: 16px;
   --env-var-spacing-1-minus: 10px;