QA_String Operations_ Introduction

[kolliSuman]

Defect Description:
In the introduction page of "String Operations" experiment,the alignment of the feedback is not clear instead feedback link should be a header option like introduction and theory .

Actual Result:
In the introduction page of "String Operations" experiment,the alignment of the feedback link is not clear.

Environment :
OS: Windows 7, Ubuntu-16.04,Centos-6
Browsers: Firefox-42.0,Chrome-47.0,chromium-45.0
Bandwidth : 100Mbps
Hardware Configuration:8GBRAM ,
Processor:i5

Test Step Link:
https://github.com/Virtual-Labs/problem-solving-iiith/blob/master/test-cases/integration_test-cases/String%20Operations/String%20Operations_02_Introduction_smk.org

[sravanthimodepu]

Fixed. This issue is related to #145.

[sravanthimodepu]

Issue is fixed. Hence closing the issue.