Single-column view: Clicked image on image timelines get obstructed by the left pane

[Viktini]

How to reproduce:

1. Load a timeline configured on Tokimeki to show only images.
2. Click on an image.

Expected behaviour:
Post details should show up, without the left pane obstructing the image.

Actual behaviour:
Left pane obstructs the image.

Image:

Other details:
Doesn't seem to happen in the multi-column view. Tested on Pulse Browser, based on Mozilla Firefox.

[spuithori]

Thank you!!

Fixed #50
When you click on the reply button, etc. and enter the input mode, there is a design collapse, but this is normal.
However, we may need to come up with a new UI.