config.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
    <default>
        <categorywidget>
            <resize>
                <constrain_only>0</constrain_only>
                <keep_aspect_ratio>1</keep_aspect_ratio>
                <keep_transparency>1</keep_transparency>
                <keep_frame>1</keep_frame>
                <background_color>#ffffff</background_color>
            </resize>
            <save>
                <identifier>cw</identifier>
                <basename></basename>
                <width>1920</width>
                <height>1080</height>
                <compression>60</compression>
            </save>
        </categorywidget>
    </default>
</config>