html - How to adjust the properties of the 'large' image size in ACF plugin for wordpress -

html - How to adjust the properties of the 'large' image size in ACF plugin for wordpress -

for acf (advanced custom fields) plugin wordpress, in wysiwyg editor field, want able alter default image size of big image property create responsive instead of having set defined height , width in pixels. there way adjust this? either css or adjusting core files of acf? want html code wrapping image along lines of

<img src"url/path/to/image" width="100%" height="auto">

instead of

<img src"url/path/to/image" width="1024px" height="576px">

this css utilize create wordpress wysiwyg images responsive:

.entry-content img, .comment-content img, .widget img, .entry-summary img, .wp-caption { max-width: 100%; } img[class*="align"], img[class*="wp-image-"], .comment-content img[height], .entry-content img, .entry-summary img, img[class*="attachment-"] { height: auto; } img.size-full, img.size-large, .wp-post-image, .post-thumbnail img { max-width: 100%; height: auto; }

html css wordpress advanced-custom-fields