Set a background (fill) color on an element

Hi,
I'm trying to change the background colour of an input text box when the string that they input equals a pre-defined value (i.e. I'd like to have the input text box turn green when they enter the correct string).
I can get the two parts of this problem working independently (colour change and string check trigger) but can't get them to work together. I've been able to successfully target and change the input text box background using the theme Add CSS functionality, and i can successfully...

You can have Elements on any Page targeting multiple learning audiences or contexts

Adding a background image to a Section on a Flow page is a great design idea. But images are often very complex visually and it can be hard to read text over them.

One way to help the text be more readable is to add a background color with a transparency setting to the text. The background helps the text stand out against the image while the transparency means the image can still be seen behind the text, providing an effect of added depth to your page.

In this lesson we’ll add a transparen...

Steps to change the background fill color on a Section in a Flow Page.

For this lesson the page has a Decorative Header section added to the top of the Page from from the Add Your First Section options on a blank page plus a second section added below that.

You can set a background fill color on any Section on a Flow page using these same steps.

Steps to copy a tab from one Tab Set and paste it into another Tab Set element.

You can also use these steps to copy a tab from a Tab Set to an Accordion Menu, or vice versa.

In this example, the two tab sets have different settings selected on their Options and Style tabs, and the first Tab Set has a background fill color applied.

Only the Tab content and layout are copied, the second Tab Set retains its own original design settings.

Steps to add a label to an Image Element.

The label is added as a layer within the image element.

If you move the element on the page, the label will move as well and remain in its location above the image.

You can also use these instructions to add and edit Labels on Video elements.

A walk-through on how to add a Custom Character Set and a Custom Background to the Scenario Builder widget.

Scenario:

We're using a single in-line text input field with an associated variable (per screen) instead of the standard Short Essay question template (we have reasons for not being able to use the template, mostly to do with being unable to disable the default template pop-ups)
We want to have feedback displayed when a custom Submit button is clicked and we want that feedback to stay visible even after they navigate away and back to the screen. This is so they don't have to click on the S...