Fix css problems

• Type: Technical Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: Master
• Component/s: Collaboration > Item selector
• Labels: None
• Sprint: LIMA | #01 | Aug20-Sep03, LIMA | #02 | Sep03-Sep17, LIMA | #04 | Oct01-Oct15, LIMA | #05 | Oct15-Oct29, LIMA | #06 | Oct29-Nov12, LIMA | #07 | Nov12-Nov26, LIMA | #08 | Nov26-Dec10
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/79490

• Header in mobile
• Footer alignment
• Space between header icons