Use the Bootstrap classes named pull-left and pull-right to position horizontally 2 or more modules using the same module position. To use them, insert the name of the class inside the Module Class Suffix field inside the Advanced settings of the module:

FavThemes tutorial for Bootstrap pull-left and pull-right classes inside the module settings

For these classes to work, you need to insert a space before the name of the class (by pressing the spacebar key from your keyboard). Also, don't use both of them at the same time for the same module.

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