OpenIoE icon is not fitted properly

[rheo-chiti]

Describe the bug
OpenIoE is icon is not fitted properly

To Reproduce
Steps to reproduce the behavior:

1. Open the front page of OpenIoE(App.js)

Expected behavior
The OpenIoE icon should have been fitted properly,but it isn't due to bad CSS styling.

Screenshots

Desktop (please complete the following information):

• OS: Windows 10
• Browser [Chrome]
• Version [e.g. 22].

Smartphone (please complete the following information):

Additional context
Minor improvement in UI.