Update the background color of DashboardBox

[misakimichy]

Overview

Problem statement

Currently, the background color of DashboardBox doesn't match with a design scheme.

Proposed solutions

Update the DashboardBox background color like this.

Here is the color palette.

Acceptance criteria

• Updated the background color of DashboardBox like a screenshot.
• Followed the color palette - primary color

Notice We recycle issues that have been stale for some time. Please refer to the Contributing Documentation for more details as well as development best practices!

[4-Leafs-Code]

I see that this is not a "help wanted" but can I take a stab at it?