Menu Click Bug

[AliYmn]

Hi, i have interesting problem. When i click menu, some components edges disappear... like my dreams :)) anyway let's go back to the topic.

if you want to understand me, you should watch this video. Becasue i recorded page in material ui site for this bug. : https://streamable.com/8y7rm

In my site;
Before page :

After, when i click menu ;

could you fix this problem ? thank you for everything :)

[support]

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