child theme absolutely neccessary?

  • I am quite new to WordPress and currently modifying a Motion theme, have made modifications to it – and not realised that making a child theme may be the way to go before modifying it.. Am I correct in understanding that I need to make a child theme to avoid losing the changes I’ve made when the theme is updates?

    I’ve tried making a child theme copying the changes I’ve already made into the child style.css sheet. Some of the features from the Motion theme are not coming over as it were from the parent theme – and being such a novice it’s going to take me days to work out why!!!!

    I am also trying to add a new background image and it is not big enough – can anyone advise how to enlarge background image please?

    Many thanks in advance.

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  • Am I correct in understanding that I need to make a child theme to avoid losing the changes I’ve made when the theme is updates?

    Yes. See Child_Themes.

    I am adding theme support for custom background images by putting this line in my functions file:
    add_custom_background( );

    I cannot find parameters to control the background image size.

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